git: openjdk/jdk: 8269478: Shenandoah: gc/shenandoah/mxbeans tests should be more resilient

[Aleksey Shipilev]

Changeset: 23d2996f
Author:    Aleksey Shipilev <shade at openjdk.org>
Date:      2021-06-30 13:22:38 +0000
URL:       https://git.openjdk.java.net/jdk/commit/23d2996fee54afcc386a505a65d3236aab874e9e

8269478: Shenandoah: gc/shenandoah/mxbeans tests should be more resilient

Reviewed-by: rkennke

! test/hotspot/jtreg/gc/shenandoah/mxbeans/TestChurnNotifications.java
! test/hotspot/jtreg/gc/shenandoah/mxbeans/TestPauseNotifications.java