feat: Add test to actions

.github/workflows/ci.yaml

@@ -95,3 +95,30 @@ jobs:
 
       - name: Coding Guideline
         run: ./vendor/bin/ecs check
+  tests:
+    runs-on: ubuntu-latest
+    needs:
+      - xml-linting
+      - check-composer
+    strategy:
+      matrix:
+        include:
+          - php-version: '8.3'
+            typo3-version: '^13.4'
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Install PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: "${{ matrix.php-version }}"
+          coverage: none
+          tools: composer:v2
+        env:
+          COMPOSER_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Install dependencies with expected TYPO3 version
+        run: composer require --no-progress --no-interaction --optimize-autoloader "typo3/cms-core:${{ matrix.typo3-version }}"
+
+      - name: PHPUnit Tests
+        run: ./vendor/bin/phpunit --testdox

Tests/Unit/Controller/UserimportControllerTest.php

@@ -15,7 +15,7 @@ class UserimportControllerTest extends UnitTestCase
      */
     protected $subject;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         parent::setUp();
         $this->subject = $this->getMockBuilder(UserimportController::class)
@@ -24,7 +24,7 @@ protected function setUp()
             ->getMock();
     }
 
-    protected function tearDown()
+    protected function tearDown(): void
     {
         parent::tearDown();
     }

composer.json

@@ -22,6 +22,7 @@
 		"phpoffice/phpspreadsheet": "^4"
 	},
 	"require-dev": {
+		"typo3/testing-framework": "^9.0",
 		"symplify/easy-coding-standard": "^12.4"
 	},
 	"config": {

phpunit.xml.dist

@@ -0,0 +1,30 @@
+<?xml version="1.0"?>
+<phpunit
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/12.3/phpunit.xsd"
+    backupGlobals="false"
+    bootstrap="vendor/typo3/testing-framework/Resources/Core/Build/FunctionalTestsBootstrap.php"
+    colors="true"
+    processIsolation="false"
+    stopOnError="false"
+    stopOnFailure="false"
+    stopOnIncomplete="false"
+    stopOnSkipped="false"
+>
+
+    <testsuites>
+        <testsuite name="functional">
+            <directory>Tests/</directory>
+        </testsuite>
+    </testsuites>
+
+    <source>
+        <include>
+            <directory suffix=".php">Classes</directory>
+        </include>
+    </source>
+
+    <php>
+        <env name="typo3DatabaseDriver" value="pdo_sqlite"/>
+    </php>
+</phpunit>