RFR 8177357: tools/jar/multiRelease/ApiValidatorTest.java failed due to "Exception java.nio.file.DirectoryNotEmptyException"

[Andrey Nazarov]

Hi,

Could you review simple test fix?

http://cr.openjdk.java.net/~anazarov/JDK-8177357/webrev.00/webrev

JBS: https://bugs.openjdk.java.net/browse/JDK-8177357


—Thanks,
Andrei