When this test were coping the testing JDK, one file org-netbeans-swing-outline.xml was failed to be copied.
The log is the following:
Copy testing JDK started
----------System.err:(2/283)----------
cp: error writing './ISOLATED_JDK_JAXP_PROPS/lib/visualvm/platform/update_tracking/org-netbeans-swing-outline.xml': Cannot allocate memory
cp: failed to extend './ISOLATED_JDK_JAXP_PROPS/lib/visualvm/platform/update_tracking/org-netbeans-swing-outline.xml': Cannot allocate memory