when an exception had no backtrace.
* test/testunit/util/test_backtracefilter.rb: ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5001 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
#assert_block, and #flunk.
* test/testunit/test_assertions.rb: ditto.
* lib/test/unit/failure.rb: failures now show a better trace of where
they occurred.
* test/testunit/test_failure.rb: ditto (added).
* lib/test/unit/testcase.rb: ditto.
* test/testunit/test_testcase.rb: ditto.
* lib/test/unit/util/backtracefilter.rb: added.
* test/testunit/util/test_backtracefilter.rb: added.
* lib/test/unit/error.rb: changed to use BacktraceFilter and improved
output.
* test/testunit/test_error.rb: ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4657 b2dd03c8-39d4-4d8f-98ff-823fe69b080e