update test result upload conditions and enhance summary generation logic

Author: mpartipilo

.github/workflows/integration-test.yml

@@ -82,7 +82,7 @@ jobs:
 
       - name: Upload test results
         uses: actions/upload-artifact@v4
-        if: always()
+        if: failure()
         with:
           name: test-results-integration-${{ inputs.test-category }}-${{ inputs.weaviate-version }}
           path: ./test-results/*.trx

.github/workflows/main.yaml

@@ -128,7 +128,7 @@ jobs:
 
       - name: Upload test results
         uses: actions/upload-artifact@v4
-        if: always()
+        if: failure()
         with:
           name: test-results-unit
           path: ./test-results/*.trx
@@ -213,6 +213,7 @@ jobs:
 
       - name: Download all test results
         uses: actions/download-artifact@v4
+        continue-on-error: true
         with:
           pattern: test-results-*
           path: ./all-test-results
@@ -221,9 +222,12 @@ jobs:
         run: |
           if [[ "${{ needs.setup.outputs.dry-run }}" == "true" ]]; then
             echo "🏃 DRY-RUN MODE: Skipping test summary generation"
-          else
+          elif [ -d "./all-test-results" ] && [ -n "$(find ./all-test-results -name "*.trx" 2>/dev/null)" ]; then
+            echo "📊 Generating test summary from TRX files..."
             dotnet tool update -g dotnet-trx
             find ./all-test-results -name "*.trx" -exec trx {} \;
+          else
+            echo "✅ No test failures - all tests passed!"
           fi
 
       - name: Check test status