feat(integ-runner): add TEST_WARNING diagnostic for long-running tests

Author: mrgrain

packages/@aws-cdk/integ-runner/lib/workers/common.ts

@@ -191,6 +191,11 @@ export enum DiagnosticReason {
    */
   TEST_ERROR = 'TEST_ERROR',
 
+  /**
+   * A non-failing warning from the integration test run
+   */
+  TEST_WARNING = 'TEST_WARNING',
+
   /**
    * The snapshot test failed because the actual
    * snapshot was different than the expected snapshot
@@ -294,6 +299,9 @@ export function printResults(diagnostic: Diagnostic): void {
     case DiagnosticReason.SNAPSHOT_FAILED:
       logger.error('  CHANGED    %s %s\n%s', diagnostic.testName, chalk.gray(`${diagnostic.duration}s`), indentLines(diagnostic.message, 6));
       break;
+    case DiagnosticReason.TEST_WARNING:
+      logger.warning('  WARN       %s %s\n%s', diagnostic.testName, chalk.gray(`${diagnostic.duration}s`), indentLines(diagnostic.message, 6));
+      break;
     case DiagnosticReason.SNAPSHOT_ERROR:
     case DiagnosticReason.TEST_ERROR:
       logger.error('  ERROR      %s %s\n%s', diagnostic.testName, chalk.gray(`${diagnostic.duration}s`), indentLines(diagnostic.message, 6));

packages/@aws-cdk/integ-runner/lib/workers/extract/extract_worker.ts

@@ -132,7 +132,7 @@ export async function snapshotTestWorker(testInfo: IntegTestInfo, options: Snaps
 
   const timer = setTimeout(() => {
     workerpool.workerEmit({
-      reason: DiagnosticReason.SNAPSHOT_ERROR,
+      reason: DiagnosticReason.TEST_WARNING,
       testName: test.testName,
       message: 'Test is taking a very long time',
       duration: (Date.now() - start) / 1000,