The six way of doing this is to replace all occurences of "unicode"
with "six.text_type". However, "unicode" is non-ambiguous and
(arguably) easier to read. Also, using it makes the patches smaller,
which should help with backporting.
Reviewed-By: Petr Viktorin <pviktori@redhat.com>
If an exception is expected, but another one is raised, the CLITestContext
raised a generic AssertionError.
Pass through the original exception instead