show customer facing message

Author: chungjac

packages/core/src/codewhisperer/service/testGenHandler.ts

@@ -18,6 +18,7 @@ import {
     CreateUploadUrlError,
     ExportResultsArchiveError,
     InvalidSourceZipError,
+    TestGenFailedError,
     TestGenStoppedError,
     TestGenTimedOutError,
 } from '../../amazonqTest/error'
@@ -196,6 +197,9 @@ export async function pollTestJobStatus(
         if (resp.testGenerationJob?.status !== CodeWhispererConstants.TestGenerationJobStatus.IN_PROGRESS) {
             // This can be FAILED or COMPLETED
             status = resp.testGenerationJob?.status as CodeWhispererConstants.TestGenerationJobStatus
+            if (status === CodeWhispererConstants.TestGenerationJobStatus.FAILED) {
+                throw new TestGenFailedError(resp.testGenerationJob?.jobStatusReason)
+            }
             logger.verbose(`testgen job status: ${status}`)
             logger.verbose(`Complete polling test job status.`)
             break