Tweaking of github flow

Author: Sephster

.github/workflows/tests.yml

@@ -36,7 +36,7 @@ jobs:
         run: vendor/bin/phpunit --verbose --coverage-clover=coverage.clover
 
       - name: Code coverage
-        if: github.ref == 'refs/heads/master' && ${{ matrix.php }} != '8.0'
+        if: ${{ github.ref == 'refs/heads/master' && matrix.php != 8.0 }}
         run: |
           echo "::debug::The matrix is set to -${{ matrix.php }}-"
           wget https://scrutinizer-ci.com/ocular.phar