The ph5diff (parallel h5diff) can intermittently hang in parallel mode
when comparing the two HDF5 files that contains common name objects with
different object types. (HDFFV-8003)
Skip only the specific test for parallel until the fix has made.
Tested:
jam (linux32-LE), koala (linux64-LE), ostrich (linuxppc64-BE), tejeda (mac32-LE), linew (solaris-BE)