fix(3880): surface errors from query endpoint response, to the testNotification panel (#3996)

Author: wiedld

src/flows/pipes/Notification/view.tsx

@@ -278,9 +278,9 @@ const Notification: FC<PipeProp> = ({Context}) => {
 
       setStatus(RemoteDataState.Done)
       dispatch(notify(testNotificationSuccess(data.endpoint)))
-    } catch {
+    } catch (e) {
       setStatus(RemoteDataState.Error)
-      dispatch(notify(testNotificationFailure(data.endpoint)))
+      dispatch(notify(testNotificationFailure(e.message)))
     }
   }
 

src/shared/copy/notifications.ts

@@ -1467,10 +1467,10 @@ export const testNotificationSuccess = (
 })
 
 export const testNotificationFailure = (
-  source: 'slack' | 'pagerduty' | 'https'
+  reason: string = 'flux was invalid.'
 ): Notification => ({
   ...defaultErrorNotification,
-  message: `Failed to send the test alert to ${source}. Please try again`,
+  message: `Test failed: ${reason}`,
 })
 
 export const exportAlertToTaskSuccess = (