git: openjdk/loom: fibers: More jvmti tests refactoring.

[duke]

Changeset: d8e1b336
Author:    lmesnik <leonid.mesnik at oracle.com>
Date:      2021-03-02 10:51:15 +0000
URL:       https://git.openjdk.java.net/loom/commit/d8e1b336

More jvmti tests refactoring.

! test/hotspot/jtreg/serviceability/jvmti/vthread/BreakpointInYieldTest/libBreakpointInYieldTest.cpp
! test/lib/jdk/test/lib/jvmti/jvmti_common.h