chore: enable cross-tracer propagation system tests (messaging tests) (…

…#4151)

enable system-tests cross-tracer tests for messaging integrations

.github/workflows/system-tests.yml

@@ -42,11 +42,17 @@ jobs:
         uses: ./.github/actions/install_runner
 
       - name: Build agent
+        id: build-agent
         run: ./build.sh -i agent
 
       - name: Run
         run: ./run.sh TRACER_ESSENTIAL_SCENARIOS
 
+      - name: Run Cross Tracer Propagation Tests
+        # run if builds passed (allows these tests to still run in case the previous Run step failed)
+        if: steps.build-agent.outcome == 'success'
+        run: ./run.sh CROSSED_TRACING_LIBRARIES 
+
       - name: Compress artifact
         if: ${{ always() }}
         run: tar -czvf artifact.tar.gz $(ls | grep logs)