Add IT test

Author: vharseko

.github/workflows/build.yml

@@ -48,8 +48,7 @@ jobs:
           rm -rf openicf/logs
           openicf/bin/ConnectorServer.sh /run &
           timeout 2m bash -c 'until grep -q "ConnectorServer listening on" openicf/logs/ConnectorServer.log ; do sleep 5; done'
-          grep -q " ERROR " openicf/logs/ConnectorServer.log || echo "no error"
-          grep -q " ERROR " openicf/logs/ConnectorServer.log | wc -l | grep -q 0
+          grep -q " ERROR " openicf/logs/ConnectorServer.log && echo "log contains errors" && $(exit 1)
       - name: Test on Windows
         if: runner.os == 'Windows'
         run: |
@@ -63,8 +62,7 @@ jobs:
           cmd /c "START /b openicf\bin\ConnectorServer.bat /run"
           Start-Sleep -s 15
           findstr "ConnectorServer listening on" openicf\logs\ConnectorServer.log
-          findstr " ERROR " openicf\logs\ConnectorServer.log || echo "no error"
-          findstr " ERROR " openicf\logs\ConnectorServer.log | find /c 'ERROR' | findstr "0"
+          findstr " ERROR " openicf\logs\ConnectorServer.log && echo "log contains errors" && assert
       - name: Upload failure artifacts
         uses: actions/upload-artifact@v4
         if: ${{ failure() }}