diff --git a/.github/workflows/script-tests.yml b/.github/workflows/script-tests.yml
index 589c686..3a6f16e 100644
--- a/.github/workflows/script-tests.yml
+++ b/.github/workflows/script-tests.yml
@@ -20,11 +20,6 @@ jobs:
 
       - uses: actions/checkout@v4
 
-      - name: Install make
-        if: ${{ matrix.host == 'macos' }}
-        run: |
-          brew install make
-          echo "$(brew --prefix)/opt/make/libexec/gnubin" >> $GITHUB_PATH
-
-      - run: make test
+      - run: Invoke-Pester
         working-directory: updater
+        shell: pwsh
diff --git a/updater/Makefile b/updater/Makefile
deleted file mode 100644
index 23da328..0000000
--- a/updater/Makefile
+++ /dev/null
@@ -1,10 +0,0 @@
-.PHONY: test
-.SILENT: test
-.ONESHELL:
-
-test: tests/*.ps1
-	@set -e
-	for file in $^ ; do
-		echo "Running " $${file} ;
-		pwsh $${file} ;
-	done
diff --git a/updater/tests/common/test-utils.ps1 b/updater/tests/common/test-utils.ps1
deleted file mode 100644
index a9bf444..0000000
--- a/updater/tests/common/test-utils.ps1
+++ /dev/null
@@ -1,70 +0,0 @@
-Set-StrictMode -Version latest
-$ErrorActionPreference = "Stop"
-
-function RunTest ([string] $name, [ScriptBlock] $code, [string] $skipReason = "")
-{
-    if ($skipReason -ne "")
-    {
-        Write-Warning "Test $name - skipped $skipReason"
-        return
-    }
-    try
-    {
-        Write-Host "Test $name - starting" -ForegroundColor Yellow
-        $code.Invoke();
-        Write-Host "Test $name - PASS" -ForegroundColor Green
-    }
-    catch
-    {
-        Write-Host "Test $name - FAILED" -ForegroundColor Red
-        throw
-    }
-}
-
-function AssertEqual([string] $expected, [string] $actual)
-{
-    $diff = Compare-Object $expected $actual
-    if ($null -ne $diff -and $diff.Count -ne 0)
-    {
-        Write-Host "Given strings are not equal:" -ForegroundColor Red
-        Write-Host "========================================"
-        Write-Host "Expected:"
-        Write-Host "----------------------------------------"
-        Write-Host $expected
-        Write-Host "----------------------------------------"
-        Write-Host "Actual:"
-        Write-Host "----------------------------------------"
-        Write-Host $actual
-        Write-Host "========================================"
-        throw "AssertEqual failed"
-    }
-}
-
-function AssertContains([string[]] $list, [string] $value)
-{
-    if (-not ($list -contains $value))
-    {
-        Write-Host "Expected list to contain '$value':" -ForegroundColor Red
-        Write-Host "========================================"
-        Write-Host $list
-        Write-Host "========================================"
-        throw "AssertContains failed"
-    }
-}
-
-function AssertFailsWith([string] $substring, [scriptblock] $block)
-{
-    $e = $null
-    try
-    {
-        $block.Invoke()
-    }
-    catch
-    {
-        $e = $_
-    }
-    if (-not "$e".Contains($substring))
-    {
-        throw "AssertFailsWith failed - expected to find '$substring' in the error '$e'"
-    }
-}
diff --git a/updater/tests/get-changelog.Tests.ps1 b/updater/tests/get-changelog.Tests.ps1
new file mode 100644
index 0000000..98cccc2
--- /dev/null
+++ b/updater/tests/get-changelog.Tests.ps1
@@ -0,0 +1,106 @@
+
+Describe 'get-changelog' {
+    It 'with existing versions' {
+        $actual = & "$PSScriptRoot/../scripts/get-changelog.ps1" `
+            -RepoUrl 'https://github.com/getsentry/github-workflows' -OldTag '1.0.0' -NewTag '2.1.0'
+        $expected = @'
+## Changelog
+### 2.1.0
+
+#### Features
+
+- New reusable workflow, `danger.yml`, to check Pull Requests with predefined rules ([#34](https://github-redirect.dependabot.com/getsentry/github-workflows/pull/34))
+
+### 2.0.0
+
+#### Changes
+
+- Rename `api_token` secret to `api-token` ([#21](https://github-redirect.dependabot.com/getsentry/github-workflows/pull/21))
+- Change changelog target section header from "Features" to "Dependencies" ([#19](https://github-redirect.dependabot.com/getsentry/github-workflows/pull/19))
+
+#### Features
+
+- Add `pr-strategy` switch to choose between creating new PRs or updating an existing one ([#22](https://github-redirect.dependabot.com/getsentry/github-workflows/pull/22))
+- Add `changelog-section` input setting to specify target changelog section header ([#19](https://github-redirect.dependabot.com/getsentry/github-workflows/pull/19))
+
+#### Fixes
+
+- Preserve changelog bullet-point format ([#20](https://github-redirect.dependabot.com/getsentry/github-workflows/pull/20))
+- Changelog section parsing when an entry text contains the section name in the text ([#25](https://github-redirect.dependabot.com/getsentry/github-workflows/pull/25))
+'@
+
+        $actual | Should -Be $expected
+    }
+
+    It 'with missing versions' {
+        $actual = & "$PSScriptRoot/../scripts/get-changelog.ps1" `
+            -RepoUrl 'https://github.com/getsentry/sentry-javascript' -OldTag 'XXXXXXX' -NewTag 'YYYYYYYYY'
+        $actual | Should -BeNullOrEmpty
+    }
+
+    It 'with missing repo' {
+        $actual = & "$PSScriptRoot/../scripts/get-changelog.ps1" `
+            -RepoUrl 'https://github.com/getsentry/foo-bar' -OldTag 'XXXXXXX' -NewTag 'YYYYYYYYY'
+        # May print a warning but still returns (an empty string)
+        $actual | Should -BeNullOrEmpty
+    }
+
+    It 'with unsupported repo' {
+        $actual = & "$PSScriptRoot/../scripts/get-changelog.ps1" `
+            -RepoUrl 'https://dart.googlesource.com/args' -OldTag 'XXXXXXX' -NewTag 'YYYYYYYYY'
+        # May print a warning but still returns (an empty string)
+        $actual | Should -BeNullOrEmpty
+    }
+
+    It 'removes at-mentions' {
+        $actual = & "$PSScriptRoot/../scripts/get-changelog.ps1" `
+            -RepoUrl 'https://github.com/getsentry/sentry-cli' -OldTag '2.1.0' -NewTag '2.2.0'
+        $expected = @'
+## Changelog
+### 2.2.0
+
+#### Various fixes & improvements
+
+- feat: Compute and upload il2cpp line mappings ([#1248](https://github-redirect.dependabot.com/getsentry/sentry-cli/issues/1248)) by loewenheim
+- ref: Skip protected zip files when uploading debug files ([#1245](https://github-redirect.dependabot.com/getsentry/sentry-cli/issues/1245)) by kamilogorek
+'@
+
+        $actual | Should -Be $expected
+    }
+
+    It "get-changelog removes doesn't duplicate PR links" {
+        $actual = & "$PSScriptRoot/../scripts/get-changelog.ps1" `
+            -RepoUrl 'https://github.com/getsentry/sentry-native' -OldTag '0.4.16' -NewTag '0.4.17'
+        $expected = @'
+## Changelog
+### 0.4.17
+
+**Fixes**:
+
+- sentry-native now successfully builds when examples aren't included. ([#702](https://github-redirect.dependabot.com/getsentry/sentry-native/pull/702))
+
+**Thank you**:
+
+Features, fixes and improvements in this release have been contributed by:
+
+- [AenBleidd](https://github-redirect.dependabot.com/AenBleidd)
+'@
+
+        $actual | Should -Be $expected
+    }
+
+    It 'truncates too long text' {
+        $actual = & "$PSScriptRoot/../scripts/get-changelog.ps1" `
+            -RepoUrl 'https://github.com/getsentry/sentry-cli' -OldTag '1.0.0' -NewTag '2.4.0'
+        if ($actual.Length -gt 61000)
+        {
+            throw "Expected the content to be truncated to less-than 61k characters, but got: $($actual.Length)"
+        }
+        $msg = "Changelog content truncated by [0-9]+ characters because it was over the limit \(60000\) and wouldn't fit into PR description."
+        if ("$actual" -notmatch $msg)
+        {
+            Write-Host $actual
+            throw "Expected changelog to contain message '$msg'"
+        }
+    }
+}
diff --git a/updater/tests/get-changelog.ps1 b/updater/tests/get-changelog.ps1
deleted file mode 100644
index ccb7cb7..0000000
--- a/updater/tests/get-changelog.ps1
+++ /dev/null
@@ -1,105 +0,0 @@
-. "$PSScriptRoot/common/test-utils.ps1"
-
-RunTest 'get-changelog with existing versions' {
-    $actual = & "$PSScriptRoot/../scripts/get-changelog.ps1" `
-        -RepoUrl 'https://github.com/getsentry/github-workflows' -OldTag '1.0.0' -NewTag '2.1.0'
-    $expected = @'
-## Changelog
-### 2.1.0
-
-#### Features
-
-- New reusable workflow, `danger.yml`, to check Pull Requests with predefined rules ([#34](https://github-redirect.dependabot.com/getsentry/github-workflows/pull/34))
-
-### 2.0.0
-
-#### Changes
-
-- Rename `api_token` secret to `api-token` ([#21](https://github-redirect.dependabot.com/getsentry/github-workflows/pull/21))
-- Change changelog target section header from "Features" to "Dependencies" ([#19](https://github-redirect.dependabot.com/getsentry/github-workflows/pull/19))
-
-#### Features
-
-- Add `pr-strategy` switch to choose between creating new PRs or updating an existing one ([#22](https://github-redirect.dependabot.com/getsentry/github-workflows/pull/22))
-- Add `changelog-section` input setting to specify target changelog section header ([#19](https://github-redirect.dependabot.com/getsentry/github-workflows/pull/19))
-
-#### Fixes
-
-- Preserve changelog bullet-point format ([#20](https://github-redirect.dependabot.com/getsentry/github-workflows/pull/20))
-- Changelog section parsing when an entry text contains the section name in the text ([#25](https://github-redirect.dependabot.com/getsentry/github-workflows/pull/25))
-'@
-
-    AssertEqual $expected $actual
-}
-
-RunTest 'get-changelog with missing versions' {
-    $actual = & "$PSScriptRoot/../scripts/get-changelog.ps1" `
-        -RepoUrl 'https://github.com/getsentry/sentry-javascript' -OldTag 'XXXXXXX' -NewTag 'YYYYYYYYY'
-    AssertEqual '' $actual
-}
-
-RunTest 'get-changelog with missing repo' {
-    $actual = & "$PSScriptRoot/../scripts/get-changelog.ps1" `
-        -RepoUrl 'https://github.com/getsentry/foo-bar' -OldTag 'XXXXXXX' -NewTag 'YYYYYYYYY'
-    # May print a warning but still returns (an empty string)
-    AssertEqual '' $actual
-}
-
-RunTest 'get-changelog with unsupported repo' {
-    $actual = & "$PSScriptRoot/../scripts/get-changelog.ps1" `
-        -RepoUrl 'https://dart.googlesource.com/args' -OldTag 'XXXXXXX' -NewTag 'YYYYYYYYY'
-    # May print a warning but still returns (an empty string)
-    AssertEqual '' $actual
-}
-
-RunTest 'get-changelog removes at-mentions' {
-    $actual = & "$PSScriptRoot/../scripts/get-changelog.ps1" `
-        -RepoUrl 'https://github.com/getsentry/sentry-cli' -OldTag '2.1.0' -NewTag '2.2.0'
-    $expected = @'
-## Changelog
-### 2.2.0
-
-#### Various fixes & improvements
-
-- feat: Compute and upload il2cpp line mappings ([#1248](https://github-redirect.dependabot.com/getsentry/sentry-cli/issues/1248)) by loewenheim
-- ref: Skip protected zip files when uploading debug files ([#1245](https://github-redirect.dependabot.com/getsentry/sentry-cli/issues/1245)) by kamilogorek
-'@
-
-    AssertEqual $expected $actual
-}
-
-RunTest "get-changelog removes doesn't duplicate PR links" {
-    $actual = & "$PSScriptRoot/../scripts/get-changelog.ps1" `
-        -RepoUrl 'https://github.com/getsentry/sentry-native' -OldTag '0.4.16' -NewTag '0.4.17'
-    $expected = @'
-## Changelog
-### 0.4.17
-
-**Fixes**:
-
-- sentry-native now successfully builds when examples aren't included. ([#702](https://github-redirect.dependabot.com/getsentry/sentry-native/pull/702))
-
-**Thank you**:
-
-Features, fixes and improvements in this release have been contributed by:
-
-- [AenBleidd](https://github-redirect.dependabot.com/AenBleidd)
-'@
-
-    AssertEqual $expected $actual
-}
-
-RunTest 'get-changelog truncates too long text' {
-    $actual = & "$PSScriptRoot/../scripts/get-changelog.ps1" `
-        -RepoUrl 'https://github.com/getsentry/sentry-cli' -OldTag '1.0.0' -NewTag '2.4.0'
-    if ($actual.Length -gt 61000)
-    {
-        throw "Expected the content to be truncated to less-than 61k characters, but got: $($actual.Length)"
-    }
-    $msg = "Changelog content truncated by [0-9]+ characters because it was over the limit \(60000\) and wouldn't fit into PR description."
-    if ("$actual" -notmatch $msg)
-    {
-        Write-Host $actual
-        throw "Expected changelog to contain message '$msg'"
-    }
-}
diff --git a/updater/tests/nonbot-commits.Tests.ps1 b/updater/tests/nonbot-commits.Tests.ps1
new file mode 100644
index 0000000..c67f1c0
--- /dev/null
+++ b/updater/tests/nonbot-commits.Tests.ps1
@@ -0,0 +1,37 @@
+Set-StrictMode -Version latest
+
+Describe 'nonbot-commits' {
+    Context 'Repo <_>' -ForEach @('https://github.com/getsentry/github-workflows', 'git@github.com:getsentry/github-workflows.git') {
+        BeforeEach {
+            $repoUrl = $_
+            function NonBotCommits([Parameter(Mandatory = $true)][string] $branch)
+            {
+                $result = & "$PSScriptRoot/../scripts/nonbot-commits.ps1" -RepoUrl $repoUrl -MainBranch 'main' -PrBranch $branch
+                if (-not $?)
+                {
+                    throw $result
+                }
+                elseif ($LASTEXITCODE -ne 0)
+                {
+                    throw "Script finished with exit code $LASTEXITCODE"
+                }
+                $result
+            }
+        }
+
+        It 'empty-if-all-commits-by-bot' {
+            $commits = NonBotCommits 'deps/updater/tests/sentry-cli.properties'
+            $commits | Should -BeNullOrEmpty
+        }
+
+        It 'empty-if-branch-doesnt-exist' {
+            $commits = NonBotCommits 'non-existent-branch'
+            $commits | Should -BeNullOrEmpty
+        }
+
+        It 'non-empty-if-changed' {
+            $commits = NonBotCommits 'test/nonbot-commits'
+            $commits | Should -Be '0b7d9cc test: keep this branch'
+        }
+    }
+}
diff --git a/updater/tests/nonbot-commits.ps1 b/updater/tests/nonbot-commits.ps1
deleted file mode 100644
index 0ab37ae..0000000
--- a/updater/tests/nonbot-commits.ps1
+++ /dev/null
@@ -1,35 +0,0 @@
-Set-StrictMode -Version latest
-
-. "$PSScriptRoot/common/test-utils.ps1"
-
-foreach ($repoUrl in @('https://github.com/getsentry/github-workflows', 'git@github.com:getsentry/github-workflows.git'))
-{
-    function NonBotCommits([Parameter(Mandatory = $true)][string] $branch)
-    {
-        $result = & "$PSScriptRoot/../scripts/nonbot-commits.ps1" -RepoUrl $repoUrl -MainBranch 'main' -PrBranch $branch
-        if (-not $?)
-        {
-            throw $result
-        }
-        elseif ($LASTEXITCODE -ne 0)
-        {
-            throw "Script finished with exit code $LASTEXITCODE"
-        }
-        $result
-    }
-
-    RunTest 'empty-if-all-commits-by-bot' {
-        $commits = NonBotCommits 'deps/updater/tests/sentry-cli.properties'
-        AssertEqual '' "$commits"
-    }
-
-    RunTest 'empty-if-branch-doesnt-exist' {
-        $commits = NonBotCommits 'non-existent-branch'
-        AssertEqual '' "$commits"
-    }
-
-    RunTest 'non-empty-if-changed' {
-        $commits = NonBotCommits 'test/nonbot-commits'
-        AssertEqual '0b7d9cc test: keep this branch' "$commits"
-    }
-}
\ No newline at end of file
diff --git a/updater/tests/sort-versions.Tests.ps1 b/updater/tests/sort-versions.Tests.ps1
new file mode 100644
index 0000000..aec246e
--- /dev/null
+++ b/updater/tests/sort-versions.Tests.ps1
@@ -0,0 +1,30 @@
+
+BeforeAll {
+    function SortVersions([Parameter(Mandatory = $true)][string[]] $List)
+    {
+        $result = & "$PSScriptRoot/../scripts/sort-versions.ps1" $List
+        if (-not $?)
+        {
+            throw $result
+        }
+        $result
+    }
+}
+
+Describe 'sort-versions' {
+    It 'standard versions' {
+        $sorted = SortVersions @('3.0.0', '5.4.11', 'v1.2.3', '5.4.1')
+        $sorted | Should -Be @('v1.2.3', '3.0.0', '5.4.1', '5.4.11')
+    }
+
+    It 'standard versions v2' {
+        $sorted = SortVersions @('3.0.0', 'v6.0', '5.4.11', '5.5', 'v1.2.3', '5.4.1')
+        $sorted | Should -Be @('v1.2.3', '3.0.0', '5.4.1', '5.4.11', '5.5', 'v6.0')
+    }
+
+    # https://semver.org/#spec-item-11
+    It 'pre-releases' {
+        $sorted = SortVersions @('1.0.0-rc.1', '1.0.0', '1.0.0-beta.11', '1.0.0-alpha.1', '1.0.0-beta', '1.0.0-alpha.beta', '1.0.0-alpha', '1.0.0-beta.2')
+        $sorted | Should -Be @('1.0.0-alpha', '1.0.0-alpha.1', '1.0.0-alpha.beta', '1.0.0-beta', '1.0.0-beta.2', '1.0.0-beta.11', '1.0.0-rc.1', '1.0.0')
+    }
+}
diff --git a/updater/tests/sort-versions.ps1 b/updater/tests/sort-versions.ps1
deleted file mode 100644
index b7cf5e6..0000000
--- a/updater/tests/sort-versions.ps1
+++ /dev/null
@@ -1,27 +0,0 @@
-. "$PSScriptRoot/common/test-utils.ps1"
-
-function SortVersions([Parameter(Mandatory = $true)][string[]] $List)
-{
-    $result = & "$PSScriptRoot/../scripts/sort-versions.ps1" $List
-    if (-not $?)
-    {
-        throw $result
-    }
-    $result
-}
-
-RunTest "sort standard versions" {
-    $sorted = SortVersions @('3.0.0', '5.4.11', 'v1.2.3', '5.4.1')
-    AssertEqual @('v1.2.3', '3.0.0', '5.4.1', '5.4.11') $sorted
-}
-
-RunTest "sort standard versions v2" {
-    $sorted = SortVersions @('3.0.0', 'v6.0', '5.4.11', '5.5', 'v1.2.3', '5.4.1')
-    AssertEqual @('v1.2.3', '3.0.0', '5.4.1', '5.4.11', '5.5', 'v6.0') $sorted
-}
-
-# https://semver.org/#spec-item-11
-RunTest "sort with pre-releases" {
-    $sorted = SortVersions @('1.0.0-rc.1', '1.0.0', '1.0.0-beta.11', '1.0.0-alpha.1', '1.0.0-beta', '1.0.0-alpha.beta', '1.0.0-alpha', '1.0.0-beta.2')
-    AssertEqual @('1.0.0-alpha', '1.0.0-alpha.1', '1.0.0-alpha.beta', '1.0.0-beta', '1.0.0-beta.2', '1.0.0-beta.11', '1.0.0-rc.1', '1.0.0') $sorted
-}
diff --git a/updater/tests/update-changelog.ps1 b/updater/tests/update-changelog.Tests.ps1
similarity index 64%
rename from updater/tests/update-changelog.ps1
rename to updater/tests/update-changelog.Tests.ps1
index 90d4896..aa6d3a2 100644
--- a/updater/tests/update-changelog.ps1
+++ b/updater/tests/update-changelog.Tests.ps1
@@ -1,10 +1,9 @@
-. "$PSScriptRoot/common/test-utils.ps1"
 
-$testCases = Get-ChildItem "$PSScriptRoot/testdata/changelog/"
+$testCases =
 
-foreach ($testCase in $testCases)
-{
-    RunTest $testCase {
+Describe 'update-changelog' {
+    It '<_>' -ForEach @(Get-ChildItem "$PSScriptRoot/testdata/changelog/") {
+        $testCase = $_
         Copy-Item "$testCase/CHANGELOG.md.original" "$testCase/CHANGELOG.md"
 
         pwsh -WorkingDirectory $testCase -File "$PSScriptRoot/../scripts/update-changelog.ps1" `
@@ -16,6 +15,6 @@ foreach ($testCase in $testCases)
             -NewTag '7.17.0' `
             -Section 'Dependencies'
 
-        AssertEqual (Get-Content "$testCase/CHANGELOG.md.expected") (Get-Content "$testCase/CHANGELOG.md")
+        Get-Content "$testCase/CHANGELOG.md" | Should -Be (Get-Content "$testCase/CHANGELOG.md.expected")
     }
 }
diff --git a/updater/tests/update-dependency.Tests.ps1 b/updater/tests/update-dependency.Tests.ps1
new file mode 100644
index 0000000..3d1c9fe
--- /dev/null
+++ b/updater/tests/update-dependency.Tests.ps1
@@ -0,0 +1,250 @@
+BeforeAll {
+    function UpdateDependency([Parameter(Mandatory = $true)][string] $path, [string] $pattern = $null)
+    {
+        $result = & "$PSScriptRoot/../scripts/update-dependency.ps1" -Path $path -Pattern $pattern
+        if (-not $?)
+        {
+            throw $result
+        }
+        $result
+    }
+
+    $testDir = "$PSScriptRoot/testdata/dependencies"
+    if (-not (Test-Path $testDir))
+    {
+        New-Item $testDir -ItemType Directory
+    }
+    $repoUrl = 'https://github.com/getsentry/github-workflows'
+
+    # Find the latest latest version in this repo. We're intentionally using different code than `update-dependency.ps1`
+    # script uses to be able to catch issues, if any.
+    $currentVersion = (git -c 'versionsort.suffix=-' ls-remote --tags --sort='v:refname' $repoUrl `
+        | Select-Object -Last 1 | Select-String -Pattern 'refs/tags/(.*)$').Matches.Groups[1].Value
+}
+
+Describe ('update-dependency') {
+    Context ('properties-file') {
+        It 'works' {
+            $testFile = "$testDir/test.properties"
+            @("repo=$repoUrl", 'version  =   none') | Out-File $testFile
+            UpdateDependency $testFile
+            Get-Content $testFile | Should -Be @("repo=$repoUrl", "version  =   $currentVersion")
+        }
+
+        It 'version pattern match' {
+            $testFile = "$testDir/test.properties"
+            $repo = 'https://github.com/getsentry/sentry-cli'
+            @("repo=$repo", 'version=0') | Out-File $testFile
+            UpdateDependency $testFile '^0\.'
+            Get-Content $testFile | Should -Be @("repo=$repo", 'version=0.28.0')
+        }
+
+        # Note: without custom sorting, this would have yielded 'v1.7.31_gradle_plugin'
+        It 'version sorting must work properly' {
+            $testFile = "$testDir/test.properties"
+            $repo = 'https://github.com/getsentry/sentry-java'
+            @("repo=$repo", 'version=0') | Out-File $testFile
+            UpdateDependency $testFile '^v?[123].*$'
+            Get-Content $testFile | Should -Be @("repo=$repo", 'version=3.2.1')
+        }
+
+        It 'will not update from a later release to an earlier release' {
+            $testFile = "$testDir/test.properties"
+            $repo = 'https://github.com/getsentry/sentry-java'
+            @("repo=$repo", 'version=999.0.0-beta.1') | Out-File $testFile
+            UpdateDependency $testFile
+            Get-Content $testFile | Should -Be @("repo=$repo", 'version=999.0.0-beta.1')
+        }
+    }
+
+    Context 'bash-script' -Skip:$IsWindows {
+        It 'works' {
+            $testFile = "$testDir/test.version"
+            '' | Out-File $testFile
+            $testScript = "$testDir/test.sh"
+            @'
+#!/usr/bin/env bash
+set -euo pipefail
+cd $(dirname "$0")
+case $1 in
+get-version)
+    cat test.version
+    ;;
+get-repo)
+    echo
+'@ + ' "' + $repoUrl + '"' + @'
+    ;;
+set-version)
+    echo $2 > test.version
+    ;;
+*)
+    echo "Unknown argument $1"
+    exit 1
+    ;;
+esac
+'@ | Out-File $testScript
+            UpdateDependency $testScript
+    (Get-Content $testFile) | Should -Be $currentVersion
+        }
+
+        It 'fails in get-version' {
+            $testScript = "$testDir/test.sh"
+            @'
+#!/usr/bin/env bash
+echo "Failure"
+exit 1
+'@ | Out-File $testScript
+
+            { UpdateDependency $testScript } | Should -Throw '*get-version  | output: Failure*'
+        }
+
+        It 'fails in get-repo' {
+            $testScript = "$testDir/test.sh"
+            @'
+#!/usr/bin/env bash
+set -euo pipefail
+case $1 in
+get-version)
+    ;;
+get-repo)
+    echo "Failure"
+    exit 1
+;;
+esac
+'@ | Out-File $testScript
+
+            { UpdateDependency $testScript } | Should -Throw '*get-repo  | output: Failure*'
+        }
+
+        It 'fails in set-version' {
+            $testScript = "$testDir/test.sh"
+            @'
+#!/usr/bin/env bash
+set -euo pipefail
+cd $(dirname "$0")
+case $1 in
+get-version)
+    echo ""
+    ;;
+get-repo)
+    echo
+'@ + ' "' + $repoUrl + '"' + @'
+    ;;
+set-version)
+    echo "Failure"
+    exit 1
+    ;;
+esac
+'@ | Out-File $testScript
+
+            { UpdateDependency $testScript } | Should -Throw "*set-version $currentVersion | output: Failure*"
+        }
+    }
+
+    Context 'powershell-script' {
+        It 'works' {
+            $testFile = "$testDir/test.version"
+            '' | Out-File $testFile
+            $testScript = "$testDir/test.ps1"
+            @'
+param([string] $action, [string] $value)
+$file = "$PSScriptRoot/test.version"
+switch ($action)
+{
+    "get-version" { Get-Content $file }
+    "get-repo" {
+'@ + '"' + $repoUrl + '"' + @'
+    }
+    "set-version" { $value | Out-File $file }
+    Default { throw "Unknown action $action" }
+}
+'@ | Out-File $testScript
+            UpdateDependency $testScript
+            Get-Content $testFile | Should -Be $currentVersion
+        }
+
+        It 'fails in get-version' {
+            $testScript = "$testDir/test.ps1"
+            @'
+throw "Failure"
+'@ | Out-File $testScript
+
+            { UpdateDependency $testScript } | Should -Throw '*get-version  | output: Failure*'
+        }
+
+        It 'fails in get-repo' {
+            $testScript = "$testDir/test.ps1"
+            @'
+param([string] $action, [string] $value)
+if ($action -eq "get-repo")
+{
+    throw "Failure"
+}
+'@ | Out-File $testScript
+
+            { UpdateDependency $testScript } | Should -Throw '*get-repo  | output: Failure*'
+        }
+
+        It 'fails in set-version' {
+            $testScript = "$testDir/test.ps1"
+            @'
+param([string] $action, [string] $value)
+switch ($action)
+{
+    "get-version" { '' }
+    "get-repo" {
+'@ + '"' + $repoUrl + '"' + @'
+    }
+    "set-version" { throw "Failure" }
+}
+'@ | Out-File $testScript
+
+            { UpdateDependency $testScript } | Should -Throw "*set-version $currentVersion | output: Failure*"
+        }
+    }
+
+    Context ('output') {
+        BeforeAll {
+            function _testOutput([string[]] $output)
+            {
+                $output | Should -Contain 'originalTag=0'
+                $output | Should -Contain 'originalTag=0'
+                $output | Should -Contain 'latestTag=0.28.0'
+                $output | Should -Contain 'latestTagNice=v0.28.0'
+                $output | Should -Contain 'url=https://github.com/getsentry/sentry-cli'
+                $output | Should -Contain 'mainBranch=master'
+            }
+        }
+
+        It 'writes output' {
+            $testFile = "$testDir/test.properties"
+            $repo = 'https://github.com/getsentry/sentry-cli'
+            @("repo=$repo", 'version=0') | Out-File $testFile
+            $stdout = UpdateDependency $testFile '^0\.'
+            _testOutput $stdout
+        }
+
+        It 'writes to env:GITHUB_OUTPUT' {
+            $testFile = "$testDir/test.properties"
+            $repo = 'https://github.com/getsentry/sentry-cli'
+            @("repo=$repo", 'version=0') | Out-File $testFile
+            $outFile = "$testDir/outfile"
+            New-Item $outFile -ItemType File | Out-Null
+            try
+            {
+                $env:GITHUB_OUTPUT = $outFile
+                $stdout = UpdateDependency $testFile '^0\.'
+                Write-Host 'Testing standard output'
+                _testOutput $stdout
+                Write-Host 'Testing env:GITHUB_OUTPUT'
+                _testOutput (Get-Content $outFile)
+            }
+            finally
+            {
+                # Delete the file and unser the env variable
+                Remove-Item $outFile | Out-Null
+                Remove-Item env:GITHUB_OUTPUT | Out-Null
+            }
+        }
+    }
+}
diff --git a/updater/tests/update-dependency.ps1 b/updater/tests/update-dependency.ps1
deleted file mode 100644
index 4fed6af..0000000
--- a/updater/tests/update-dependency.ps1
+++ /dev/null
@@ -1,239 +0,0 @@
-. "$PSScriptRoot/common/test-utils.ps1"
-
-function UpdateDependency([Parameter(Mandatory = $true)][string] $path, [string] $pattern = $null)
-{
-    $result = & "$PSScriptRoot/../scripts/update-dependency.ps1" -Path $path -Pattern $pattern
-    if (-not $?)
-    {
-        throw $result
-    }
-    $result
-}
-
-$testDir = "$PSScriptRoot/testdata/dependencies"
-if (-not (Test-Path $testDir))
-{
-    New-Item $testDir -ItemType Directory
-}
-
-$repoUrl = 'https://github.com/getsentry/github-workflows'
-
-# Find the latest latest version in this repo. We're intentionally using different code than `update-dependency.ps1`
-# script uses to be able to catch issues, if any.
-$currentVersion = (git -c 'versionsort.suffix=-' ls-remote --tags --sort='v:refname' $repoUrl `
-    | Select-Object -Last 1 | Select-String -Pattern 'refs/tags/(.*)$').Matches.Groups[1].Value
-
-RunTest 'properties-file' {
-    $testFile = "$testDir/test.properties"
-    @("repo=$repoUrl", 'version  =   none') | Out-File $testFile
-    UpdateDependency $testFile
-    AssertEqual @("repo=$repoUrl", "version  =   $currentVersion") (Get-Content $testFile)
-}
-
-RunTest 'version pattern match' {
-    $testFile = "$testDir/test.properties"
-    $repo = 'https://github.com/getsentry/sentry-cli'
-    @("repo=$repo", 'version=0') | Out-File $testFile
-    UpdateDependency $testFile '^0\.'
-    AssertEqual @("repo=$repo", 'version=0.28.0') (Get-Content $testFile)
-}
-
-function _testOutput([string[]] $output)
-{
-    AssertContains $output 'originalTag=0'
-    AssertContains $output 'originalTag=0'
-    AssertContains $output 'latestTag=0.28.0'
-    AssertContains $output 'latestTagNice=v0.28.0'
-    AssertContains $output 'url=https://github.com/getsentry/sentry-cli'
-    AssertContains $output 'mainBranch=master'
-}
-
-RunTest 'writes output' {
-    $testFile = "$testDir/test.properties"
-    $repo = 'https://github.com/getsentry/sentry-cli'
-    @("repo=$repo", 'version=0') | Out-File $testFile
-    $stdout = UpdateDependency $testFile '^0\.'
-    _testOutput $stdout
-}
-
-RunTest 'writes to env:GITHUB_OUTPUT' {
-    $testFile = "$testDir/test.properties"
-    $repo = 'https://github.com/getsentry/sentry-cli'
-    @("repo=$repo", 'version=0') | Out-File $testFile
-    $outFile = "$testDir/outfile"
-    New-Item $outFile -ItemType File | Out-Null
-    try
-    {
-        $env:GITHUB_OUTPUT = $outFile
-        $stdout = UpdateDependency $testFile '^0\.'
-        Write-Host 'Testing standard output'
-        _testOutput $stdout
-        Write-Host 'Testing env:GITHUB_OUTPUT'
-        _testOutput (Get-Content $outFile)
-    }
-    finally
-    {
-        # Delete the file and unser the env variable
-        Remove-Item $outFile | Out-Null
-        Remove-Item env:GITHUB_OUTPUT | Out-Null
-    }
-}
-
-# Note: without custom sorting, this would have yielded 'v1.7.31_gradle_plugin'
-RunTest 'version sorting must work properly' {
-    $testFile = "$testDir/test.properties"
-    $repo = 'https://github.com/getsentry/sentry-java'
-    @("repo=$repo", 'version=0') | Out-File $testFile
-    UpdateDependency $testFile '^v?[123].*$'
-    AssertEqual @("repo=$repo", 'version=3.2.1') (Get-Content $testFile)
-}
-
-RunTest 'will not update from a later release to an earlier release' {
-    $testFile = "$testDir/test.properties"
-    $repo = 'https://github.com/getsentry/sentry-java'
-    @("repo=$repo", 'version=999.0.0-beta.1') | Out-File $testFile
-    UpdateDependency $testFile
-    AssertEqual @("repo=$repo", 'version=999.0.0-beta.1') (Get-Content $testFile)
-}
-
-RunTest 'powershell-script' {
-    $testFile = "$testDir/test.version"
-    '' | Out-File $testFile
-    $testScript = "$testDir/test.ps1"
-    @'
-param([string] $action, [string] $value)
-$file = "$PSScriptRoot/test.version"
-switch ($action)
-{
-    "get-version" { Get-Content $file }
-    "get-repo" {
-'@ + '"' + $repoUrl + '"' + @'
-    }
-    "set-version" { $value | Out-File $file }
-    Default { throw "Unknown action $action" }
-}
-'@ | Out-File $testScript
-    UpdateDependency $testScript
-    AssertEqual $currentVersion (Get-Content $testFile)
-}
-
-RunTest 'bash-script' {
-    $testFile = "$testDir/test.version"
-    '' | Out-File $testFile
-    $testScript = "$testDir/test.sh"
-    @'
-#!/usr/bin/env bash
-set -euo pipefail
-cd $(dirname "$0")
-case $1 in
-get-version)
-    cat test.version
-    ;;
-get-repo)
-    echo
-'@ + ' "' + $repoUrl + '"' + @'
-    ;;
-set-version)
-    echo $2 > test.version
-    ;;
-*)
-    echo "Unknown argument $1"
-    exit 1
-    ;;
-esac
-'@ | Out-File $testScript
-    UpdateDependency $testScript
-    AssertEqual $currentVersion (Get-Content $testFile)
-} -skipReason ($IsWindows ? 'on Windows' : '')
-
-RunTest 'powershell-script fails in get-version' {
-    $testScript = "$testDir/test.ps1"
-    @'
-throw "Failure"
-'@ | Out-File $testScript
-
-    AssertFailsWith 'get-version  | output: Failure' { UpdateDependency $testScript }
-}
-
-RunTest 'bash-script fails in get-version' {
-    $testScript = "$testDir/test.sh"
-    @'
-#!/usr/bin/env bash
-echo "Failure"
-exit 1
-'@ | Out-File $testScript
-
-    AssertFailsWith 'get-version  | output: Failure' { UpdateDependency $testScript }
-} -skipReason ($IsWindows ? 'on Windows' : '')
-
-RunTest 'powershell-script fails in get-repo' {
-    $testScript = "$testDir/test.ps1"
-    @'
-param([string] $action, [string] $value)
-if ($action -eq "get-repo")
-{
-    throw "Failure"
-}
-'@ | Out-File $testScript
-
-    AssertFailsWith 'get-repo  | output: Failure' { UpdateDependency $testScript }
-}
-
-RunTest 'bash-script fails in get-repo' {
-    $testScript = "$testDir/test.sh"
-    @'
-#!/usr/bin/env bash
-set -euo pipefail
-case $1 in
-get-version)
-    ;;
-get-repo)
-    echo "Failure"
-    exit 1
-;;
-esac
-'@ | Out-File $testScript
-
-    AssertFailsWith 'get-repo  | output: Failure' { UpdateDependency $testScript }
-} -skipReason ($IsWindows ? 'on Windows' : '')
-
-RunTest 'powershell-script fails in set-version' {
-    $testScript = "$testDir/test.ps1"
-    @'
-param([string] $action, [string] $value)
-switch ($action)
-{
-    "get-version" { '' }
-    "get-repo" {
-'@ + '"' + $repoUrl + '"' + @'
-    }
-    "set-version" { throw "Failure" }
-}
-'@ | Out-File $testScript
-
-    AssertFailsWith "set-version $currentVersion | output: Failure" { UpdateDependency $testScript }
-}
-
-RunTest 'bash-script fails in set-version' {
-    $testScript = "$testDir/test.sh"
-    @'
-#!/usr/bin/env bash
-set -euo pipefail
-cd $(dirname "$0")
-case $1 in
-get-version)
-    echo ""
-    ;;
-get-repo)
-    echo
-'@ + ' "' + $repoUrl + '"' + @'
-    ;;
-set-version)
-    echo "Failure"
-    exit 1
-    ;;
-esac
-'@ | Out-File $testScript
-
-    AssertFailsWith "set-version $currentVersion | output: Failure" { UpdateDependency $testScript }
-} -skipReason ($IsWindows ? 'on Windows' : '')