ZipSourceCache.testKeySourceMapping() test fails with The process cannot access the file because it is being used by another process

The ZipSourceCache.testKeySourceMapping() test was recently added for https://bugs.openjdk.org/browse/JDK-8317678. This test has been reported to fail on a windows-x64 instance in one of the GitHub actions job https://github.com/openjdk/jdk/pull/16115#issuecomment-1854702162.


The exception stacktrace of the failure is:

FAILED ZipSourceCache::testKeySourceMapping 'testKeySourceMapping()'
java.nio.file.FileSystemException: 1702471080605-bug8317678.zip: The process cannot access the file because it is being used by another process
at java.base/sun.nio.fs.WindowsException.translateToIOException(WindowsException.java:92)
at java.base/sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.java:103)
at java.base/sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.java:108)
at java.base/sun.nio.fs.WindowsFileSystemProvider.implDelete(WindowsFileSystemProvider.java:273)
at java.base/sun.nio.fs.AbstractFileSystemProvider.deleteIfExists(AbstractFileSystemProvider.java:109)
at java.base/java.nio.file.Files.deleteIfExists(Files.java:1191)
at ZipSourceCache.cleanup(ZipSourceCache.java:65)