add error operations

Author: zhongkechen

sdk-integration-tests/src/test/java/software/amazon/lambda/durable/ParallelIntegrationTest.java

@@ -601,8 +601,8 @@ void testParallelWithMinSuccessful_earlyTermination() {
         assertEquals(
                 ExecutionStatus.SUCCEEDED,
                 result.getStatus(),
-                "Failed with error: " + result.getError().get().errorType()
-                        + result.getError().get().errorMessage() + result.getError().get().errorData());
+                "Failed with error: "
+                        + String.join(" ", result.getFailedOperations().stream().toArray(String[]::new)));
     }
 
     @Test