[packager] intermittent test failures

I'm getting packager test failure with the following stack trace in the log

java.io.FileNotFoundException: C:\cygwin64\tmp\versioninfoswap8630370122434112127.exe (Access is denied)
at java.io.FileOutputStream.open0(Native Method)
at java.io.FileOutputStream.open(FileOutputStream.java:270)
at java.io.FileOutputStream.<init>(FileOutputStream.java:213)
at java.io.FileOutputStream.<init>(FileOutputStream.java:162)
at com.oracle.tools.packager.IOUtils.copyFromURL(IOUtils.java:60)
at com.oracle.tools.packager.windows.WinAppBundler.createLauncherForEntryPoint(WinAppBundler.java:451)
at com.oracle.tools.packager.windows.WinAppBundler.doBundle(WinAppBundler.java:312)
at com.oracle.tools.packager.windows.WinExeBundler.prepareProto(WinExeBundler.java:295)
at com.oracle.tools.packager.windows.WinExeBundler.bundle(WinExeBundler.java:360)
at com.oracle.tools.packager.windows.WinExeBundler.execute(WinExeBundler.java:173)
at com.oracle.tools.packager.windows.WinExeBundlerTest.testFileAssociationMultiples(WinExeBundlerTest.java:514)
at com.oracle.tools.packager.windows.WinExeBundlerTest.testFileAssociation(WinExeBundlerTest.java:462)
at com.oracle.tools.packager.windows.WinExeBundlerTest.testFileAssociationWithNullExtension(WinExeBundlerTest.java:417)
...