Commits
Merging in latest from upstream (OTHER/h5compat:refs/heads/master) * commit 'c0b2544883d4878bec5b0279d0cd4d696d659bf2': Modfy tests for object reference. Add tests for dataset region reference.
Merging in latest from upstream (OTHER/h5compat:refs/heads/master) * commit 'c0b2544883d4878bec5b0279d0cd4d696d659bf2': Modfy tests for object reference. Add tests for dataset region reference.