204
204
needle in haystack, '%r not in %r' % (needle, haystack))
206
206
def assertIs(self, expected, observed):
209
209
expected is observed, '%r is not %r' % (expected, observed))
211
211
def assertIsNot(self, expected, observed):
214
214
expected is not observed, '%r is %r' % (expected, observed))