run_suite():  If testclass is not available, provide an even more general                error message. run_unittest():  Provide the testclass to run_suite() so it can construct                  the error message. This closes SF bug #467763.
run_suite():  If testclass is not available, provide an even more general
               error message.
run_unittest():  Provide the testclass to run_suite() so it can construct
                 the error message.
This closes SF bug #467763.

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator