Point 1: I vaguely remember having a reason for not doing 'del sys.modules[module_name]' back when I wrote the suite, but I can't think of what it is now. I've amended the suite to use that line.

Point 2: I've added a list at the top of things that have yet to be tested. The TestCase.assert* and TestCase.fail* methods still need explicit tests, though most are tested implicitly in the test suite itself.

Point 3: I think assertRaises is ugly : )

Point 4: I've given up on resolving a number of the XXXs in 2.x, though I'm working on a rewrite of unittest for 3.x that will resolve all such issues.

Thanks!
File Added: test_unittest.py