ci: fix ci workflow due to double composer step

.github/workflows/php.yml

@@ -29,18 +29,6 @@ jobs:
           
     - name: Install Dependencies
       run: composer install -q --no-ansi --no-interaction --no-scripts --no-progress --prefer-dist
-
-    - name: Cache Composer packages
-      id: composer-cache
-      uses: actions/cache@v3
-      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
 
     - name: Execute tests (Smoking Tests and unit tests) via PHPUnit
-      run: vendor/bin/phpunit --testdox  --coverage-text
+      run: vendor/bin/phpunit  --bootstrap tests/bootstrap.php tests --testdox  --coverage-text tests