diff --git a/dev/tests/static/framework/Magento/TestFramework/Utility/AddedFiles.php b/dev/tests/static/framework/Magento/TestFramework/Utility/AddedFiles.php
new file mode 100644
index 0000000000000..4afeda3a035eb
--- /dev/null
+++ b/dev/tests/static/framework/Magento/TestFramework/Utility/AddedFiles.php
@@ -0,0 +1,35 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\TestFramework\Utility;
+
+/**
+ * Helper class to add list of added new files.
+ */
+class AddedFiles
+{
+    /**
+     * Provide list of new files.
+     *
+     * @param string $changedFilesBaseDir
+     *
+     * @return string[]
+     */
+    public static function getAddedFilesList(string $changedFilesBaseDir): array
+    {
+        return FilesSearch::getFilesFromListFile(
+            $changedFilesBaseDir,
+            'changed_files*.added.*',
+            function () {
+                // if no list files, probably, this is the dev environment
+                // phpcs:ignore Generic.PHP.NoSilencedErrors,Magento2.Security.InsecureFunction
+                @exec('git diff --cached --name-only --diff-filter=A', $addedFiles);
+                return $addedFiles;
+            }
+        );
+    }
+}
diff --git a/dev/tests/static/framework/Magento/TestFramework/Utility/ChildrenClassesSearch.php b/dev/tests/static/framework/Magento/TestFramework/Utility/ChildrenClassesSearch.php
new file mode 100644
index 0000000000000..53db8ca8d0b08
--- /dev/null
+++ b/dev/tests/static/framework/Magento/TestFramework/Utility/ChildrenClassesSearch.php
@@ -0,0 +1,56 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\TestFramework\Utility;
+
+/**
+ * Search for children classes in list of files.
+ */
+class ChildrenClassesSearch
+{
+    /**
+     * @var ClassNameExtractor
+     */
+    private $classNameExtractor;
+
+    /**
+     * ChildrenClassesSearch constructor.
+     */
+    public function __construct()
+    {
+        $this->classNameExtractor = new ClassNameExtractor();
+    }
+
+    /**
+     * Get list of classes name which are subclasses of mentioned class.
+     *
+     * @param array $fileList
+     * @param string $parent
+     * @param bool $asDataSet
+     *
+     * @return array
+     * @throws \ReflectionException
+     */
+    public function getClassesWhichAreChildrenOf(array $fileList, string $parent, bool $asDataSet = true): array
+    {
+        $found = [];
+
+        foreach ($fileList as $file) {
+            $name = $asDataSet ? $file[0] : $file;
+            $class = $this->classNameExtractor->getNameWithNamespace(file_get_contents($name));
+
+            if ($class) {
+                $classReflection = new \ReflectionClass($class);
+                if ($classReflection->isSubclassOf($parent)) {
+                    $found[] = $class;
+                }
+            }
+        }
+
+        return $found;
+    }
+}
diff --git a/dev/tests/static/framework/Magento/TestFramework/Utility/FilesSearch.php b/dev/tests/static/framework/Magento/TestFramework/Utility/FilesSearch.php
new file mode 100644
index 0000000000000..0ec8124496d1d
--- /dev/null
+++ b/dev/tests/static/framework/Magento/TestFramework/Utility/FilesSearch.php
@@ -0,0 +1,48 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\TestFramework\Utility;
+
+/**
+ * Helper class to search files by provided directory and file pattern.
+ */
+class FilesSearch
+{
+    /**
+     * Read files from generated lists.
+     *
+     * @param string $listsBaseDir
+     * @param string $listFilePattern
+     * @param callable $noListCallback
+     * @return string[]
+     */
+    public static function getFilesFromListFile(
+        string $listsBaseDir,
+        string $listFilePattern,
+        callable $noListCallback
+    ): array {
+        $filesDefinedInList = [];
+        $listFiles = glob($listsBaseDir . '/_files/' . $listFilePattern);
+        if (!empty($listFiles)) {
+            foreach ($listFiles as $listFile) {
+                $filesDefinedInList[] = file($listFile, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
+            }
+            $filesDefinedInList = array_merge([], ...$filesDefinedInList);
+        } else {
+            $filesDefinedInList = call_user_func($noListCallback);
+        }
+        array_walk(
+            $filesDefinedInList,
+            function (&$file) {
+                $file = BP . '/' . $file;
+            }
+        );
+        $filesDefinedInList = array_values(array_unique($filesDefinedInList));
+
+        return $filesDefinedInList;
+    }
+}
diff --git a/dev/tests/static/framework/tests/unit/testsuite/Magento/TestFramework/Utility/ChildrenClassesSearch/A.php b/dev/tests/static/framework/tests/unit/testsuite/Magento/TestFramework/Utility/ChildrenClassesSearch/A.php
new file mode 100644
index 0000000000000..3369df1edd54f
--- /dev/null
+++ b/dev/tests/static/framework/tests/unit/testsuite/Magento/TestFramework/Utility/ChildrenClassesSearch/A.php
@@ -0,0 +1,10 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+namespace Magento\TestFramework\Utility\ChildrenClassesSearch;
+
+class A
+{
+}
diff --git a/dev/tests/static/framework/tests/unit/testsuite/Magento/TestFramework/Utility/ChildrenClassesSearch/B.php b/dev/tests/static/framework/tests/unit/testsuite/Magento/TestFramework/Utility/ChildrenClassesSearch/B.php
new file mode 100644
index 0000000000000..8873af3e4f9b7
--- /dev/null
+++ b/dev/tests/static/framework/tests/unit/testsuite/Magento/TestFramework/Utility/ChildrenClassesSearch/B.php
@@ -0,0 +1,10 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+namespace Magento\TestFramework\Utility\ChildrenClassesSearch;
+
+class B extends A
+{
+}
diff --git a/dev/tests/static/framework/tests/unit/testsuite/Magento/TestFramework/Utility/ChildrenClassesSearch/C.php b/dev/tests/static/framework/tests/unit/testsuite/Magento/TestFramework/Utility/ChildrenClassesSearch/C.php
new file mode 100644
index 0000000000000..e50735fcbb46c
--- /dev/null
+++ b/dev/tests/static/framework/tests/unit/testsuite/Magento/TestFramework/Utility/ChildrenClassesSearch/C.php
@@ -0,0 +1,10 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+namespace Magento\TestFramework\Utility\ChildrenClassesSearch;
+
+class C implements ZInterface
+{
+}
diff --git a/dev/tests/static/framework/tests/unit/testsuite/Magento/TestFramework/Utility/ChildrenClassesSearch/D.php b/dev/tests/static/framework/tests/unit/testsuite/Magento/TestFramework/Utility/ChildrenClassesSearch/D.php
new file mode 100644
index 0000000000000..8dc2cc0b9269e
--- /dev/null
+++ b/dev/tests/static/framework/tests/unit/testsuite/Magento/TestFramework/Utility/ChildrenClassesSearch/D.php
@@ -0,0 +1,10 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+namespace Magento\TestFramework\Utility\ChildrenClassesSearch;
+
+class D
+{
+}
diff --git a/dev/tests/static/framework/tests/unit/testsuite/Magento/TestFramework/Utility/ChildrenClassesSearch/E.php b/dev/tests/static/framework/tests/unit/testsuite/Magento/TestFramework/Utility/ChildrenClassesSearch/E.php
new file mode 100644
index 0000000000000..563135ff36d3c
--- /dev/null
+++ b/dev/tests/static/framework/tests/unit/testsuite/Magento/TestFramework/Utility/ChildrenClassesSearch/E.php
@@ -0,0 +1,10 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+namespace Magento\TestFramework\Utility\ChildrenClassesSearch;
+
+class E extends B
+{
+}
diff --git a/dev/tests/static/framework/tests/unit/testsuite/Magento/TestFramework/Utility/ChildrenClassesSearch/F.php b/dev/tests/static/framework/tests/unit/testsuite/Magento/TestFramework/Utility/ChildrenClassesSearch/F.php
new file mode 100644
index 0000000000000..6976ed26a0d84
--- /dev/null
+++ b/dev/tests/static/framework/tests/unit/testsuite/Magento/TestFramework/Utility/ChildrenClassesSearch/F.php
@@ -0,0 +1,10 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+namespace Magento\TestFramework\Utility\ChildrenClassesSearch;
+
+class F extends E implements ZInterface
+{
+}
diff --git a/dev/tests/static/framework/tests/unit/testsuite/Magento/TestFramework/Utility/ChildrenClassesSearch/ZInterface.php b/dev/tests/static/framework/tests/unit/testsuite/Magento/TestFramework/Utility/ChildrenClassesSearch/ZInterface.php
new file mode 100644
index 0000000000000..be1b6d222519c
--- /dev/null
+++ b/dev/tests/static/framework/tests/unit/testsuite/Magento/TestFramework/Utility/ChildrenClassesSearch/ZInterface.php
@@ -0,0 +1,10 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+namespace Magento\TestFramework\Utility\ChildrenClassesSearch;
+
+interface ZInterface
+{
+}
diff --git a/dev/tests/static/framework/tests/unit/testsuite/Magento/TestFramework/Utility/ChildrenClassesSearchTest.php b/dev/tests/static/framework/tests/unit/testsuite/Magento/TestFramework/Utility/ChildrenClassesSearchTest.php
new file mode 100644
index 0000000000000..5b7fd47042347
--- /dev/null
+++ b/dev/tests/static/framework/tests/unit/testsuite/Magento/TestFramework/Utility/ChildrenClassesSearchTest.php
@@ -0,0 +1,54 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\TestFramework\Utility;
+
+use Magento\TestFramework\Utility\ChildrenClassesSearch\A;
+use Magento\TestFramework\Utility\ChildrenClassesSearch\B;
+use Magento\TestFramework\Utility\ChildrenClassesSearch\E;
+use Magento\TestFramework\Utility\ChildrenClassesSearch\F;
+use PHPUnit\Framework\TestCase;
+
+class ChildrenClassesSearchTest extends TestCase
+{
+    /**
+     * @var ChildrenClassesSearch
+     */
+    private $childrenClassesSearch;
+
+    protected function setUp(): void
+    {
+        $this->childrenClassesSearch = new ChildrenClassesSearch();
+    }
+
+    public function testChildrenSearch(): void
+    {
+        $files = [
+            __DIR__ . '/ChildrenClassesSearch/A.php',
+            __DIR__ . '/ChildrenClassesSearch/B.php',
+            __DIR__ . '/ChildrenClassesSearch/C.php',
+            __DIR__ . '/ChildrenClassesSearch/D.php',
+            __DIR__ . '/ChildrenClassesSearch/E.php',
+            __DIR__ . '/ChildrenClassesSearch/F.php',
+            __DIR__ . '/ChildrenClassesSearch/ZInterface.php',
+        ];
+
+        $found = $this->childrenClassesSearch->getClassesWhichAreChildrenOf(
+            $files,
+            A::class,
+            false
+        );
+
+        $expected = [
+            B::class,
+            E::class,
+            F::class
+        ];
+
+        $this->assertSame($expected, $found);
+    }
+}
diff --git a/dev/tests/static/framework/tests/unit/testsuite/Magento/TestFramework/Utility/FilesSearchTest.php b/dev/tests/static/framework/tests/unit/testsuite/Magento/TestFramework/Utility/FilesSearchTest.php
new file mode 100644
index 0000000000000..7b27dde3b0bf4
--- /dev/null
+++ b/dev/tests/static/framework/tests/unit/testsuite/Magento/TestFramework/Utility/FilesSearchTest.php
@@ -0,0 +1,53 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\TestFramework\Utility;
+
+use PHPUnit\Framework\TestCase;
+
+class FilesSearchTest extends TestCase
+{
+    /**
+     * Test files list extraction from file.
+     */
+    public function testGetFiles(): void
+    {
+        $pattern = 'changed_files*.txt';
+
+        $files = FilesSearch::getFilesFromListFile(__DIR__, $pattern, function () {
+            return [];
+        });
+
+        $expected = [
+            BP . '/app/code/Magento/Cms/Block/Block.php',
+            BP . '/app/code/Magento/Cms/Api/BlockRepositoryInterface.php',
+            BP . '/app/code/Magento/Cms/Observer/NoCookiesObserver.php'
+        ];
+
+        $this->assertSame($files, $expected);
+    }
+
+    /**
+     * Test callblack function in case when files with lists did not found.
+     */
+    public function testGetEmptyList(): void
+    {
+        $pattern = 'zzz.txt';
+
+        $files = FilesSearch::getFilesFromListFile(__DIR__, $pattern, function () {
+            return ['1', '2', '3'];
+        });
+
+        $expected = [
+            BP . '/1',
+            BP . '/2',
+            BP . '/3'
+        ];
+
+        $this->assertSame($files, $expected);
+    }
+}
diff --git a/dev/tests/static/framework/tests/unit/testsuite/Magento/TestFramework/Utility/_files/changed_files_some_name_test.txt b/dev/tests/static/framework/tests/unit/testsuite/Magento/TestFramework/Utility/_files/changed_files_some_name_test.txt
new file mode 100644
index 0000000000000..816f4b32c9361
--- /dev/null
+++ b/dev/tests/static/framework/tests/unit/testsuite/Magento/TestFramework/Utility/_files/changed_files_some_name_test.txt
@@ -0,0 +1,3 @@
+app/code/Magento/Cms/Block/Block.php
+app/code/Magento/Cms/Api/BlockRepositoryInterface.php
+app/code/Magento/Cms/Observer/NoCookiesObserver.php
diff --git a/dev/tests/static/testsuite/Magento/Test/Legacy/Magento/Framework/App/Action/AbstractActionTest.php b/dev/tests/static/testsuite/Magento/Test/Legacy/Magento/Framework/App/Action/AbstractActionTest.php
new file mode 100644
index 0000000000000..69050c3c51895
--- /dev/null
+++ b/dev/tests/static/testsuite/Magento/Test/Legacy/Magento/Framework/App/Action/AbstractActionTest.php
@@ -0,0 +1,85 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\Test\Legacy\Magento\Framework\App\Action;
+
+use Magento\Framework\App\Action\AbstractAction;
+use Magento\Framework\App\ActionInterface;
+use Magento\Framework\App\Utility\Files;
+use Magento\Framework\Exception\LocalizedException;
+use Magento\TestFramework\Utility\AddedFiles;
+use Magento\TestFramework\Utility\ChildrenClassesSearch;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * Test newly created controllers must do not extend AbstractAction.
+ */
+class AbstractActionTest extends TestCase
+{
+    /**
+     * @var ChildrenClassesSearch
+     */
+    private $childrenClassesSearch;
+
+    /**
+     * @var Files
+     */
+    private $fileUtilities;
+
+    /**
+     * @throws LocalizedException
+     */
+    protected function setUp(): void
+    {
+        $this->childrenClassesSearch = new ChildrenClassesSearch();
+        $this->fileUtilities = Files::init();
+    }
+
+    /**
+     * Test newly created controllers do not extend deprecated AbstractAction.
+     *
+     * @throws \ReflectionException
+     */
+    public function testNewControllersDoNotExtendAbstractAction(): void
+    {
+        $files = $this->getTestFiles();
+
+        $found = $this->childrenClassesSearch->getClassesWhichAreChildrenOf($files, AbstractAction::class);
+
+        $this->assertEmpty(
+            $found,
+            "The following new controller(s) extend " . AbstractAction::class . "\r\n"
+            . "All new controller classes must implement " . ActionInterface::class . " instead.\r\n"
+            . print_r($found, true)
+        );
+    }
+
+    /**
+     * Provide files for test.
+     *
+     * @return array
+     */
+    private function getTestFiles(): array
+    {
+        $phpFiles = AddedFiles::getAddedFilesList($this->getChangedFilesBaseDir());
+
+        $phpFiles = Files::composeDataSets($phpFiles);
+        $fileTypes = Files::INCLUDE_APP_CODE | Files::INCLUDE_LIBS | Files::AS_DATA_SET;
+        return array_intersect_key($phpFiles, $this->fileUtilities->getPhpFiles($fileTypes));
+    }
+
+    /**
+     * Returns base directory for generated lists.
+     *
+     * @return string
+     */
+    private function getChangedFilesBaseDir(): string
+    {
+        return BP . DIRECTORY_SEPARATOR . 'dev' . DIRECTORY_SEPARATOR . 'tests' . DIRECTORY_SEPARATOR . 'static' .
+            DIRECTORY_SEPARATOR . 'testsuite' . DIRECTORY_SEPARATOR . 'Magento' . DIRECTORY_SEPARATOR . 'Test';
+    }
+}
diff --git a/dev/tests/static/testsuite/Magento/Test/Php/LiveCodeTest.php b/dev/tests/static/testsuite/Magento/Test/Php/LiveCodeTest.php
index 324753b4bd4ec..ad91025448579 100644
--- a/dev/tests/static/testsuite/Magento/Test/Php/LiveCodeTest.php
+++ b/dev/tests/static/testsuite/Magento/Test/Php/LiveCodeTest.php
@@ -14,6 +14,8 @@
 use Magento\TestFramework\CodingStandard\Tool\CopyPasteDetector;
 use Magento\TestFramework\CodingStandard\Tool\PhpCompatibility;
 use Magento\TestFramework\CodingStandard\Tool\PhpStan;
+use Magento\TestFramework\Utility\AddedFiles;
+use Magento\TestFramework\Utility\FilesSearch;
 use PHPMD\TextUI\Command;
 
 /**
@@ -113,8 +115,8 @@ public static function getWhitelist(
      */
     private static function getChangedFilesList($changedFilesBaseDir)
     {
-        return self::getFilesFromListFile(
-            $changedFilesBaseDir,
+        return FilesSearch::getFilesFromListFile(
+            $changedFilesBaseDir ?: self::getChangedFilesBaseDir(),
             'changed_files*',
             function () {
                 // if no list files, probably, this is the dev environment
@@ -128,65 +130,6 @@ function () {
         );
     }
 
-    /**
-     * This method loads list of added files.
-     *
-     * @param string $changedFilesBaseDir
-     * @return string[]
-     */
-    private static function getAddedFilesList($changedFilesBaseDir)
-    {
-        return self::getFilesFromListFile(
-            $changedFilesBaseDir,
-            'changed_files*.added.*',
-            function () {
-                // if no list files, probably, this is the dev environment
-                // phpcs:ignore Generic.PHP.NoSilencedErrors,Magento2.Security.InsecureFunction
-                @exec('git diff --cached --name-only --diff-filter=A', $addedFiles);
-                return $addedFiles;
-            }
-        );
-    }
-
-    /**
-     * Read files from generated lists.
-     *
-     * @param string $listsBaseDir
-     * @param string $listFilePattern
-     * @param callable $noListCallback
-     * @return string[]
-     */
-    private static function getFilesFromListFile($listsBaseDir, $listFilePattern, $noListCallback)
-    {
-        $filesDefinedInList = [];
-
-        $globFilesListPattern = ($listsBaseDir ?: self::getChangedFilesBaseDir())
-            . '/_files/' . $listFilePattern;
-        $listFiles = glob($globFilesListPattern);
-        if (!empty($listFiles)) {
-            foreach ($listFiles as $listFile) {
-                // phpcs:ignore Magento2.Performance.ForeachArrayMerge.ForeachArrayMerge
-                $filesDefinedInList = array_merge(
-                    $filesDefinedInList,
-                    file($listFile, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES)
-                );
-            }
-        } else {
-            $filesDefinedInList = call_user_func($noListCallback);
-        }
-
-        array_walk(
-            $filesDefinedInList,
-            function (&$file) {
-                $file = BP . '/' . $file;
-            }
-        );
-
-        $filesDefinedInList = array_values(array_unique($filesDefinedInList));
-
-        return $filesDefinedInList;
-    }
-
     /**
      * Filter list of files.
      *
@@ -427,7 +370,7 @@ public function testCopyPaste()
      */
     public function testStrictTypes()
     {
-        $changedFiles = self::getAddedFilesList('');
+        $changedFiles = AddedFiles::getAddedFilesList(self::getChangedFilesBaseDir());
 
         try {
             $blackList = Files::init()->readLists(