update workflow

Author: Alexsey-VR

.github/workflows/check-for-linter.yml

@@ -30,7 +30,7 @@ jobs:
               run: make lint
 
             - name: Run unit tests
-              run: XDEBUG_MODE=coverage vendor/bin/phpunit --coverage-clover=coverage.xml tests
+              run: vendor/bin/phpunit --coverage-clover=coverage.xml tests
 
             - name: SonarQube Scan
               uses: SonarSource/sonarqube-scan-action@v5