merging coverage to xml is needed

Author: mvorisek

.github/workflows/test-unit.yml

@@ -153,10 +153,16 @@ jobs:
         run: |
           php -d opcache.enable_cli=1 vendor/bin/phpunit --exclude-group none $(if [ -n "$LOG_COVERAGE" ]; then echo --coverage-text; else echo --no-coverage; fi) --fail-on-warning --fail-on-risky $(if vendor/bin/phpunit --version | grep -q '^PHPUnit 9\.'; then echo -v; else echo --fail-on-notice --fail-on-deprecation --display-notices --display-deprecations --display-phpunit-deprecations --display-warnings --display-errors --display-incomplete --display-skipped; fi)
 
-      - name: Upload coverage (only for coverage)
+      - name: Upload coverage logs 1/2 (only for coverage)
+        if: env.LOG_COVERAGE
+        run: |
+          ls -l coverage | wc -l
+          php -d memory_limit=2G vendor/bin/phpcov merge coverage/ --clover coverage/merged.xml
+
+      - name: Upload coverage logs 2/2 (only for coverage)
         if: env.LOG_COVERAGE
         uses: codecov/codecov-action@v5
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           fail_ci_if_error: true
-          files: coverage/phpunit.cov
+          files: coverage/merged.xml