Github user zentol commented on a diff in the pull request:
https://github.com/apache/flink/pull/6399#discussion_r204720974
--- Diff:
flink-runtime/src/test/java/org/apache/flink/runtime/operators/DataSinkTaskTest.java
---
@@ -141,7 +136,13 @@ public void testUnionDataSinkTask() {
DataSinkTask<Record> testTask = new
DataSinkTask<>(this.mockEnv);
- super.registerFileOutputTask(MockOutputFormat.class, new
File(tempTestPath).toURI().toString());
+ File tempTestFile = null;
+ try {
+ tempTestFile = tempFolder.newFile(tempTestFileName);
--- End diff --
same issue as in `JarFileCreatorTest`
---