ci(action): surface launch info and pass/fail banner; fix exit_code capture (#3357)

Signed-off-by: oliver könig <okoenig@nvidia.com>
Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: ko3n1g

.github/actions/test-template/action.yml

@@ -211,41 +211,66 @@ runs:
         echo "::endgroup::"
 
     - name: Run main script
-      shell: bash
-      run: /bin/bash job.sh
+      id: run-main-script
+      shell: bash -e -u -o pipefail {0}
+      run: |
+        echo -e "\033[1;34m┌─ launching test ─────────────────────────────────────────────────────────┐\033[0m"
+        echo -e "\033[1;34m│  script    : ${{ inputs.script }}\033[0m"
+        echo -e "\033[1;34m│  runner    : ${{ inputs.runner }}\033[0m"
+        echo -e "\033[1;34m│  container : ${{ inputs.container-image }}\033[0m"
+        echo -e "\033[1;34m└──────────────────────────────────────────────────────────────────────────┘\033[0m"
+        echo "::group::Logs"
+        EXIT_CODE=0
+        /bin/bash job.sh || EXIT_CODE=$?
+        echo "exit_code=$EXIT_CODE" | tee -a "$GITHUB_OUTPUT"
+        echo "::endgroup::"
+        exit $EXIT_CODE
 
     - name: Check result
       id: check
-      shell: bash
+      shell: bash -e -u -o pipefail {0}
+      if: always()
       run: |
-        echo "::group::Check result"
-
         docker exec nemo_container_${{ github.run_id }} /opt/venv/bin/coverage combine || true
-        docker exec nemo_container_${{ github.run_id }} /opt/venv/bin/coverage xml
-        docker cp nemo_container_${{ github.run_id }}:/opt/Megatron-Bridge/.coverage .coverage
-        docker cp nemo_container_${{ github.run_id }}:/opt/Megatron-Bridge/coverage.xml coverage.xml
+        docker exec nemo_container_${{ github.run_id }} /opt/venv/bin/coverage xml || true
+        docker cp nemo_container_${{ github.run_id }}:/opt/Megatron-Bridge/.coverage .coverage || true
+        docker cp nemo_container_${{ github.run_id }}:/opt/Megatron-Bridge/coverage.xml coverage.xml || true
 
         coverage_report=coverage-${{ steps.create.outputs.coverage-prefix }}-${{ github.run_id }}-$(uuidgen)
-        echo "coverage_report=$coverage_report" >> "$GITHUB_OUTPUT"
+        echo "coverage_report=$coverage_report" | tee -a "$GITHUB_OUTPUT"
 
         EXIT_CODE=${{ steps.run-main-script.outputs.exit_code }}
         IS_SUCCESS=$([[ "$EXIT_CODE" -eq 0 ]] && echo "true" || echo "false")
 
         if [[ "$IS_SUCCESS" == "false" && "${{ inputs.is-optional }}" == "true" ]]; then
-          echo "::warning:: Test failed, but displayed as successful because it is marked as optional."
+          echo "::warning::Test failed but is marked optional — treating as success."
           IS_SUCCESS=true
         fi
 
-        if [[ "$IS_SUCCESS" == "false" ]]; then
-          echo Test did not finish successfully.
-          exit 1
+        echo "::group::Coverage report"
+        docker exec -t nemo_container_${{ github.run_id }} /opt/venv/bin/coverage report -i || true
+        echo "::endgroup::"
+
+        if [[ "$IS_SUCCESS" == "true" ]]; then
+          echo -e "\033[1;32m╔══════════════════════════════════════════════════════════════════════════╗\033[0m"
+          echo -e "\033[1;32m║                                                                          ║\033[0m"
+          echo -e "\033[1;32m║   ✅  PASSED                                                             ║\033[0m"
+          echo -e "\033[1;32m║   ${{ inputs.script }}\033[0m"
+          echo -e "\033[1;32m║                                                                          ║\033[0m"
+          echo -e "\033[1;32m╚══════════════════════════════════════════════════════════════════════════╝\033[0m"
+          echo "::notice title=Result::✅ ${{ inputs.script }} — PASSED"
+          exit 0
         else
-          docker exec -t nemo_container_${{ github.run_id }} /opt/venv/bin/coverage report -i
+          echo -e "\033[1;31m╔══════════════════════════════════════════════════════════════════════════╗\033[0m"
+          echo -e "\033[1;31m║                                                                          ║\033[0m"
+          echo -e "\033[1;31m║   ❌  FAILED  (exit code: ${EXIT_CODE})                                  ║\033[0m"
+          echo -e "\033[1;31m║   ${{ inputs.script }}\033[0m"
+          echo -e "\033[1;31m║                                                                          ║\033[0m"
+          echo -e "\033[1;31m╚══════════════════════════════════════════════════════════════════════════╝\033[0m"
+          echo "::error title=Result::❌ ${{ inputs.script }} — FAILED (exit $EXIT_CODE)"
+          exit 1
         fi
 
-        exit $EXIT_CODE
-        echo "::endgroup::"
-
     - name: Upload artifacts
       uses: actions/upload-artifact@v6
       if: ${{ steps.check.outputs.coverage_report != 'none' }}