Github user GJL commented on a diff in the pull request:
https://github.com/apache/flink/pull/4910#discussion_r147678610
--- Diff:
flink-streaming-java/src/test/java/org/apache/flink/streaming/api/functions/sink/TwoPhaseCommitSinkFunctionTest.java
---
@@ -194,29 +348,4 @@ public String toString() {
return String.format("FileTransaction[%s]",
tmpFile.getName());
}
}
-
- private static class TestContext implements AutoCloseable {
--- End diff --
I am using
```
@Rule
public TemporaryFolder folder = new TemporaryFolder();
```
to create test folders are files which are cleaned up automatically. Since
the rule must be a public field in the test, it would have required more work
to keep the `TestContext`.
---
