Commits
Merging in latest from upstream (HDFFV/hdf5:refs/heads/hdf5_1_8) * commit '6cecb1352220daa248bed247ffd613c92c6c9f03': Minor modifications for HDFFV-9934 Print out failure/success messages from running the tests in hl/test/test_dset_opt.c. Tested on emu, quail, kituo, platypus. Updated for 1.8.19 Updated for 1.8.19.