Github user yanghua commented on a diff in the pull request:
https://github.com/apache/flink/pull/5933#discussion_r186347318
--- Diff:
flink-test-utils-parent/flink-test-utils/src/main/java/org/apache/flink/test/util/MiniClusterResource.java
---
@@ -59,6 +60,8 @@
public static final String NEW_CODEBASE = "new";
+ public final TemporaryFolder temporaryFolder = new TemporaryFolder();
--- End diff --
changed---
