diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 52a5922..9915a0d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,6 +19,20 @@ jobs:
       - run: docker pull rust:slim
       - uses: ./ghaction-rust-coverage
       - run: grep '^SF:' lcov.info
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3.5.3
+        with:
+          path: ghaction-rust-coverage
+      - uses: actions/checkout@v3.5.3
+        with:
+          repository: lpenz/ogle
+          path: ogle
+          fetch-depth: 0
+      - uses: ./ghaction-rust-coverage
+        with:
+          working_directory: ogle
   publish-dockerhub:
     needs: [ omnilint, docker-build ]
     runs-on: ubuntu-latest
diff --git a/README.md b/README.md
index 1bc1c3f..2470244 100644
--- a/README.md
+++ b/README.md
@@ -42,6 +42,7 @@ jobs:
 ### Inputs
 
 - `dependencies_debian`: Debian packages to install before running the tests.
+- `working_directory`: `cd` to this directory before running the action.
 - `output_type`: output type, one of `html`, `text`, `json` or `lcov`.
 - `output_path`: output path.
 - `test_args`: arguments to pass to the test - `--nocapture` for example.
diff --git a/entrypoint b/entrypoint
index b37ea1c..c5532ac 100755
--- a/entrypoint
+++ b/entrypoint
@@ -52,6 +52,10 @@ export RUST_BACKTRACE
 
 set -e -x
 
+if [ -n "$INPUT_WORKING_DIRECTORY" ]; then
+    cd "$INPUT_WORKING_DIRECTORY"
+fi
+
 install_dependencies
 
 CARGO_INCREMENTAL='0'