[Build] Fix performance test in GH workflow

The working directory was incorrectly removed in
eclipse-platform#956
but instead just should have been to the changed check-out location.

.github/workflows/maven.yml

@@ -63,7 +63,7 @@ jobs:
         --fail-at-end
         -DskipNativeTests=false
         -DfailIfNoTests=false
-        clean install
+        clean verify
     - name: Performance tests
       if: contains(github.event.pull_request.labels.*.name, 'performance')
       uses: coactions/setup-xvfb@b6b4fcfb9f5a895edadc3bc76318fae0ac17c8b3 # v1.0.1
@@ -78,6 +78,7 @@ jobs:
         -DfailIfNoTests=true
         -Dtest=PerformanceTests
         integration-test
+       working-directory: tests/org.eclipse.swt.tests
     - name: Upload Test Results for ${{ matrix.config.name }} / Java-${{ matrix.java }}
       if: always()
       uses: actions/upload-artifact@c7d193f32edcb7bfad88892161225aeda64e9392 # v4.0.0