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

8078669: G1 applies SurvivorAlignmentInBytes to both survivor and old gen
Summary: After refactoring of the relevant code in JDK-8060025 the survivor alignment had been applied to any allocation within PLABs. Only do that for survivor allocations again. Improve the related tests to have less variance.
Reviewed-by: jmasa, fzhinkin

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

Merge

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

8066143: [TESTBUG] New tests in gc/survivorAlignment/ fails
Reviewed-by: jmasa

8037968: Add tests on alignment of objects copied to survivor space
Reviewed-by: jmasa, dfazunen