[GitHub] TisonKun commented on a change in pull request #6490: [FLINK-10056] [test] Add JobMasterTest#testRequestNextInputSplit

[GitBox <gi...@apache.org>]

TisonKun commented on a change in pull request #6490: [FLINK-10056] [test] Add JobMasterTest#testRequestNextInputSplit
URL: https://github.com/apache/flink/pull/6490#discussion_r207708380
 
 

 ##########
 File path: flink-runtime/src/test/java/org/apache/flink/runtime/executiongraph/ExecutionGraphTestUtils.java
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 @@ -144,7 +146,48 @@ public static void waitUntilExecutionState(Execution execution, ExecutionState s
 		}
 
 		if (System.nanoTime() >= deadline) {
-			throw new TimeoutException();
+			throw new TimeoutException(
+				"The execution did not reach state " + state + " in time. " +
+				"Current status is " + execution.getState() + '.');
+		}
+	}
+
+	/**
+	 * Waits until the Execution vertex has reached a certain state.
+	 *
+	 * <p>This method is based on polling and might miss very fast state transitions!
+	 */
+	public static void waitUntilExecutionVertexState(ExecutionVertex executionVertex, ExecutionState state, long maxWaitMillis)
+		throws TimeoutException {
+
 
 Review comment:
   This keeps consistent with similar method above.

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