TestAMRestart and TestNodeHealthService failing sometimes on Windows

TestNodeHealthService failures:
testNodeHealthScript(org.apache.hadoop.yarn.server.nodemanager.TestNodeHealthService) Time elapsed: 1.405 sec <<< ERROR!
java.io.FileNotFoundException: C:\Users\Administrator\Documents\hadoop-common\hadoop-yarn-project\hadoop-yarn\hadoop-yarn-server\hadoop-yarn-server-nodemanager\target\org.apache.hadoop.yarn.server.nodemanager.TestNodeHealthService-localDir\failingscript.cmd (The process cannot access the file because it is being used by another process)
at java.io.FileOutputStream.open(Native Method)
at java.io.FileOutputStream.<init>(FileOutputStream.java:221)
at java.io.FileOutputStream.<init>(FileOutputStream.java:171)
at org.apache.hadoop.yarn.server.nodemanager.TestNodeHealthService.writeNodeHealthScriptFile(TestNodeHealthService.java:82)
at org.apache.hadoop.yarn.server.nodemanager.TestNodeHealthService.testNodeHealthScript(TestNodeHealthService.java:154)

testNodeHealthScriptShouldRun(org.apache.hadoop.yarn.server.nodemanager.TestNodeHealthService) Time elapsed: 0 sec <<< ERROR!
java.io.FileNotFoundException: C:\Users\Administrator\Documents\hadoop-common\hadoop-yarn-project\hadoop-yarn\hadoop-yarn-server\hadoop-yarn-server-nodemanager\target\org.apache.hadoop.yarn.server.nodemanager.TestNodeHealthService-localDir\failingscript.cmd (Access is denied)
at java.io.FileOutputStream.open(Native Method)
at java.io.FileOutputStream.<init>(FileOutputStream.java:221)
at java.io.FileOutputStream.<init>(FileOutputStream.java:171)
at org.apache.hadoop.yarn.server.nodemanager.TestNodeHealthService.writeNodeHealthScriptFile(TestNodeHealthService.java:82)
at org.apache.hadoop.yarn.server.nodemanager.TestNodeHealthService.testNodeHealthScriptShouldRun(TestNodeHealthService.java:103)