telemetry(amazonq): Adding requestId to telemetry if UTG fails at StartTestGeneration API (#5327)

* Adding requestId if UTG fails at StartTestGeneration API due to validation exception.

* Minor edits

Author: laileni-aws

plugins/amazonq/chat/jetbrains-community/src/software/aws/toolkits/jetbrains/services/amazonqCodeTest/CodeWhispererUTGChatManager.kt

@@ -16,6 +16,7 @@ import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
+import software.amazon.awssdk.core.exception.SdkServiceException
 import software.amazon.awssdk.services.codewhispererruntime.model.GetTestGenerationResponse
 import software.amazon.awssdk.services.codewhispererruntime.model.Range
 import software.amazon.awssdk.services.codewhispererruntime.model.StartTestGenerationResponse
@@ -144,6 +145,11 @@ class CodeWhispererUTGChatManager(val project: Project, private val cs: Coroutin
         } catch (e: Exception) {
             LOG.error(e) { "Unexpected error while creating test generation job" }
             val errorMessage = getTelemetryErrorMessage(e, CodeWhispererConstants.FeatureName.TEST_GENERATION)
+
+            // Sending requestId to telemetry if there is Validation Exception
+            if (e is SdkServiceException) {
+                session.startTestGenerationRequestId = e.requestId()
+            }
             throw CodeTestException(
                 "CreateTestJobError: $errorMessage",
                 "CreateTestJobError",