8164660: MinimalVM is not tested with GC tests
Reviewed-by: jmasa, tschatzl

8157957: ClassNotFoundException: jdk.test.lib.JDKToolFinder
Reviewed-by: coleenp, gtriantafill, mseledtsov, iignatyev, dholmes, dsamersoff

8153737: Unsupported Module
Reviewed-by: alanb, mchung, psandoz

8140189: [TESTBUG] Get rid of "@library /../../test/lib" in jtreg tests
Summary: Use new external.lib.roots property in TEST.ROOT so /../../test/lib is not needed.
Reviewed-by: mseledtsov, sla, iklam

8067013: Rename the com.oracle.java.testlibary package
Reviewed-by: dholmes, gtriantafill, sla
Contributed-by: alexander.kulyakhtin@oracle.com

8075586: Add @modules as needed to the open hotspot tests
Reviewed-by: sla, ctornqvi, lfoltan, mchung, alanb
Contributed-by: alexander.kulyakhtin@oracle.com

8068026: [TESTBUG] Check for -client in gc/g1/TestHumongousCodeCacheRoots.java
Summary: Skip test if -client is not supported.
Reviewed-by: jwilhelm, simonis
Contributed-by: goetz.lindenmaier@sap.com

8066433: Move Whitebox test library to top level repository
Summary: Moved Whitebox test library to top level repository.
Reviewed-by: iignatyev, sla, mr

8046809: vm/mlvm/meth/stress/compiler/deoptimize CodeCache is full.
Summary: Use separate sweeper thread; enables more aggressive sweeping.
Reviewed-by: kvn, jrose

8011397: JTREG needs to copy additional WhiteBox class file to JTwork/scratch/sun/hotspot
Reviewed-by: kvn, iignatyev, mgerdin
Contributed-by: andrey.x.zakharov@oracle.com

8027756: assert(!hr->isHumongous()) failed: code root in humongous region?
Summary: Change checks for isHumongous() to continuesHumongous() as installing a code root for a humongous object is valid, but not for continuations of humongous objects. Cleaned up asserts.
Reviewed-by: jmasa, tamao