Refactor PHPUnit commands to use GITHUB_WORKSPACE

Updated PHPUnit run commands to use GITHUB_WORKSPACE variable for paths.

Author: Potherca

.github/workflows/php.yml

@@ -97,16 +97,16 @@ jobs:
           COMPOSER_AUTH: '{"github-oauth": {"github.com": "${{ secrets.GITHUB_TOKEN }}"}}'
       - name: Run PHPUnit
         run: |
-          echo -e "PWD:'$PWD'"
-          ls -lA $PWD
-          ls -lA /var/www/html/apps/solid/
-          ls -lA /var/www/html/apps/solid/bin
-          ls -lA /var/www/html/apps/solid/vendor
-          ls -lA /var/www/html/apps/solid/vendor/bin
+          echo -e "PWD:'$PWD'\nGITHUB_WORKSPACE:'${GITHUB_WORKSPACE}'"
+          ls -lA "$PWD"
+          ls -lA "$GITHUB_WORKSPACE"
+          ls -lA "${GITHUB_WORKSPACE}/solid/"
+          ls -lA "${GITHUB_WORKSPACE}/solid/bin"
+          ls -lA "${GITHUB_WORKSPACE}/solid/vendor/"
           
-          /var/www/html/apps/solid/bin/phpunit \
-              --configuration /var/www/html/apps/solid/phpunit.xml \
-              /var/www/html/apps/solid/tests/Unit
+          "${GITHUB_WORKSPACE}/solid/bin/phpunit" \
+              --configuration "${GITHUB_WORKSPACE}/solid/phpunit.xml" \
+              "${GITHUB_WORKSPACE}/solid/tests/Unit"
 
   # 03.quality.php.scan.dependencies-vulnerabilities.yml
   scan-dependencies-vulnerabilities: