Change 'git push <remote>' to 'git push <remote> <branch>' in one of
the test-bzr.sh tests to ensure that the test continues to pass when
the default value of push.default changes to simple.
Signed-off-by: Richard Hansen <rhansen@bbn.com> Reviewed-by: Felipe Contreras <felipe.contreras@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>