Github user GJL commented on a diff in the pull request:
https://github.com/apache/flink/pull/5933#discussion_r184892264
--- Diff:
flink-test-utils-parent/flink-test-utils/src/main/java/org/apache/flink/test/util/MiniClusterResource.java
---
@@ -149,6 +155,7 @@ public void before() throws Exception {
@Override
public void after() {
+ temporaryFolder.delete();
--- End diff --
No need to call this explicitly:
```
/**
* Delete all files and folders under the temporary folder. Usually not
* called directly, since it is automatically applied by the {@link
Rule}
*/
public void delete() {
if (folder != null) {
recursiveDelete(folder);
}
}
```
---