Install composer packages in the integration tests step as well

Author: justin

.github/workflows/ci.yml

@@ -34,15 +34,6 @@ jobs:
     - name: Validate composer.json and composer.lock
       run: composer validate --strict
 
-    - name: Cache Composer packages
-      id: composer-cache
-      uses: actions/cache@v2
-      with:
-        path: vendor
-        key: ${{ runner.os }}-php-${{ hashFiles('**/composer.lock') }}
-        restore-keys: |
-          ${{ runner.os }}-php-
-
     - name: Install dependencies
       run: composer install --prefer-dist --no-progress
 
@@ -67,6 +58,18 @@ jobs:
         php-version: ['8.1', '8.2', '8.3']
 
     steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php-version }}
+          coverage: xdebug
+          extensions: dom
+
+      - name: Install dependencies
+        run: composer install --prefer-dist --no-progress
+
       - name: Run test suite
         run: |
           if [[ ${{ matrix.php-version }} == '8.1' ]]; then