Github user suez1224 commented on a diff in the pull request:
https://github.com/apache/flink/pull/5172#discussion_r162190016
--- Diff: flink-yarn/src/test/resources/flink-conf.yaml ---
@@ -0,0 +1,23 @@
+################################################################################
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+################################################################################
+
+#
+# This is a test configuration for validation of YarnTaskManagerRunner.
+#
+
+taskmanager.tmp.dirs: /tmp
--- End diff --
This is needed for YarnTaskManagerRunnerTest.
---