Complete bikeshed: Use the entire width of the terminal for the dotted leader when running tests for 'make check'.
Complete bikeshed: Use the entire width of the terminal for the dotted leader
when running tests for 'make check'.

* build/run_tests.py
  (LINE_LENGTH): Remove.
  (_get_term_width): New.
  (TestHarness._run_test): Calculate the number of dots needed using the above
    method.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1241017 13f79535-47bb-0310-9956-ffa450edef68

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