Add basic tests for svn_wc__internal_file_modified_p() function.
Add basic tests for svn_wc__internal_file_modified_p() function.

* subversion/tests/libsvn_wc/wc-test.c
  (test_internal_file_modified): New.
  (test_funcs): Add test_internal_file_modified to the list.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1760132 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion