add a test program for r1758 bug fix

git-svn-id: https://svn.mcs.anl.gov/repos/parallel-netcdf/trunk@1759 c368ceb8-fd28-0410-a457-e46ee1d7cd4a
just comments

git-svn-id: https://svn.mcs.anl.gov/repos/parallel-netcdf/trunk@1760 c368ceb8-fd28-0410-a457-e46ee1d7cd4a
revise the output string

git-svn-id: https://svn.mcs.anl.gov/repos/parallel-netcdf/trunk@1761 c368ceb8-fd28-0410-a457-e46ee1d7cd4a