VOL-TESTS

Merge pull request #3 in HDF5VOL/vol-tests from ~SONGYULU/vol-tests_ray:ray/file_tests to master

* commit 'cbc39484bbb6755e9a6baacaed0479df0a923bb6':
  Moving the test of creationg objects with the dot as their names from vol_file_test.c to vol_misc_test.c
  Minor change: Taking out a commented-out code.
  Resolving conflicts.
  Adding a few more test cases for file API.