update cloud runner to return error when invocation fail

Author: zhongkechen

sdk-testing/src/main/java/software/amazon/lambda/durable/testing/HistoryEventProcessor.java

@@ -53,9 +53,21 @@ public <O> TestResult<O> processEvents(List<Event> events, TypeToken<O> outputTy
             }
 
             switch (eventType) {
-                case EXECUTION_STARTED, INVOCATION_COMPLETED -> {
+                case EXECUTION_STARTED -> {
                     // Execution started - no action needed, just track the event
                 }
+                case INVOCATION_COMPLETED -> {
+                    var details = event.invocationCompletedDetails();
+                    if (details != null
+                            && details.error() != null
+                            && details.error().payload() != null) {
+                        // This will get overridden by the execution events but
+                        // the test cases will still be able to see the error
+                        // if the execution succeeds.
+                        status = ExecutionStatus.FAILED;
+                        error = details.error().payload();
+                    }
+                }
                 case EXECUTION_SUCCEEDED -> {
                     status = ExecutionStatus.SUCCEEDED;
                     var details = event.executionSucceededDetails();

sdk-testing/src/main/java/software/amazon/lambda/durable/testing/TestResult.java

@@ -51,6 +51,10 @@ public class TestResult<O> {
 
     /** Returns the execution status (SUCCEEDED, FAILED, or PENDING). */
     public ExecutionStatus getStatus() {
+        if (status == ExecutionStatus.SUCCEEDED && error != null) {
+            throw new IllegalStateException(
+                    "Execution succeeded while invocation failed with: " + error.errorMessage());
+        }
         return status;
     }