-def make_testfunc(url, stype, sig_length, expected_sig):
+def make_tfunc(url, stype, sig_length, expected_sig):
basename = url.rpartition('/')[2]
m = re.match(r'.*-([a-zA-Z0-9_-]+)\.[a-z]+$', basename)
assert m, '%r should follow URL format' % basename
basename = url.rpartition('/')[2]
m = re.match(r'.*-([a-zA-Z0-9_-]+)\.[a-z]+$', basename)
assert m, '%r should follow URL format' % basename