Github user tillrohrmann commented on a diff in the pull request:
https://github.com/apache/flink/pull/5780#discussion_r181467950
--- Diff:
flink-test-utils-parent/flink-test-utils/src/main/java/org/apache/flink/test/util/MiniClusterResource.java
---
@@ -117,6 +138,7 @@ public TestEnvironment getTestEnvironment() {
@Override
public void before() throws Exception {
+ miniClusterResourceConfiguration =
Preconditions.checkNotNull(miniClusterResourceConfigurationSupplier.get());
--- End diff --
The same applies to rule chains. An easy solution would be to create a
`MiniClusterWithTemporaryFolderResource` which encapsulates this logic.
---
