Revert "Remove redundant PHPUnit test execution step in workflow"

This reverts commit 1205b18.

Author: Fa-BRAIK

.github/workflows/phpunit-coverage-badge.yml

@@ -35,6 +35,14 @@ jobs:
       - name: PHP Version
         run: php --version
 
+      # Code quality
+
+      - name: Execute tests (Unit and Feature tests) via PestPHP
+        # Set environment
+        env:
+          XDEBUG_MODE: coverage
+        run: vendor/bin/phpunit --coverage-clover --testsuite=ci clover.xml
+
       - name: Generate test coverage badge
         uses: timkrase/phpunit-coverage-badge@v1.2.1
         with: