hg: jdk10/sandbox: 8184075: Make run-test-prebuilt profile more robust

[chris.hegarty at oracle.com]

Changeset: a6c830ee8a67
Author:    erikj
Date:      2017-07-11 14:04 +0200
URL:       http://hg.openjdk.java.net/jdk10/sandbox/rev/a6c830ee8a67

8184075: Make run-test-prebuilt profile more robust
Reviewed-by: tbell

! common/conf/jib-profiles.js