Testing out matrix of stuff

.github/workflows/run-tests.yml

@@ -3,35 +3,28 @@ name: run-tests
 on: [push, pull_request]
 
 jobs:
-    test:
-        runs-on: ${{ matrix.os }}
-        strategy:
-            fail-fast: true
-            matrix:
-                os: [ubuntu-latest]
-                php: [8.3, 8.2, 8.1]
-                dependency-version: [prefer-stable]
-
-        name: P${{ matrix.php }} - ${{ matrix.dependency-version }} - ${{ matrix.os }}
-
-        steps:
-          -   name: Checkout code
-              uses: actions/checkout@v4
-
-          -   name: Cache dependencies
-              uses: actions/cache@v3
-              with:
-                path: ~/.composer/cache/files
-                key: dependencies-php-${{ matrix.php }}-composer-${{ hashFiles('composer.json') }}
-
-          -   name: Setup PHP
-              uses: shivammathur/setup-php@v2
-              with:
-                php-version: ${{ matrix.php }}
-                coverage: xdebug
-
-          -   name: Install dependencies
-              run: composer update --${{ matrix.dependency-version }} --prefer-dist --no-interaction
-
-          -   name: Execute tests
-              run: vendor/bin/phpunit
+  test:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: true
+      matrix:
+        os: [ubuntu-latest]
+        php: [8.3, 8.2, 8.1]
+        phpunit: [9.6, 10.0, 11.0]
+        dependency-version: [prefer-stable]
+        exclude:
+          - php: 8.1
+            phpunit: 11.0
+
+    name: P${{ matrix.php }} - ${{ matrix.dependency-version }} - ${{ matrix.os }}
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: php-actions/composer@v6
+        with:
+          php_version: ${{ matrix.php }}
+      - name: PHPUnit Tests
+        uses: php-actions/phpunit@v3
+        with:
+          version: ${{ matrix.phpunit }}
+          php_version: ${{ matrix.php }}

composer.json

@@ -11,7 +11,7 @@
     ],
     "require": {
         "php": ">=8.1",
-        "phpunit/phpunit": ">=10.0",
+        "phpunit/phpunit": ">=9.6",
         "ext-json": "*",
         "blastcloud/chassis": "^1.0.6",
         "symfony/http-client": ">=6.0"