hg: jdk/submit: 8251121: six SA tests leave core files behind on macOS

[chris.plummer at oracle.com]

Changeset: 830e370a2441
Author:    cjplummer
Date:      2020-08-06 18:21 -0700
URL:       https://hg.openjdk.java.net/jdk/submit/rev/830e370a2441

8251121: six SA tests leave core files behind on macOS
Reviewed-by: dholmes, dcubed

! test/hotspot/jtreg/serviceability/sa/ClhsdbCDSCore.java
! test/lib/jdk/test/lib/util/CoreUtils.java