add action that sends test summary to step summary (#146)

chainlink-testing-framework/show-test-summary/action.yml

@@ -0,0 +1,35 @@
+name: chainlink-testing-framework-show-test-summary
+description: Sends test summary to Github Step Summary
+inputs:
+  test_directory:
+    required: true
+    description: Directory in which the tests are located
+    default: ./integration-tests/smoke
+
+runs:
+  using: composite
+  steps:
+    - name: Print failed test summary
+      shell: bash
+      if: always()
+      run: |
+        inputDir="${{ .inputs.test_directory}}"
+        cleanTestDir=${inputDir%/}
+        directory="$clean_test_dir/.test_summary"
+        files=("$directory"/*)
+        if [ -d "$directory" ]; then
+          echo "Test summary folder found"
+          if [ ${#files[@]} -gt 0 ]; then
+            first_file="${files[0]}"
+            echo "Name of the first test summary file: $(basename "$first_file")"
+            echo "### Failed Test Execution Logs Dashboard (over VPN):" >> $GITHUB_STEP_SUMMARY
+            cat "$first_file" | jq -r '.loki[] | "* [\(.test_name)](\(.value))"' >> $GITHUB_STEP_SUMMARY
+            if [ ${#files[@]} -gt 1 ]; then
+              echo "Found more than one test summary file. This is incorrect, there should be only one file"
+            fi
+          else
+              echo "Test summary directory is empty. This should not happen"
+          fi
+        else
+          echo "No test summary folder found. If no test failed or log collection wasn't explicitly requested this is correct. Exiting"
+        fi