'Verify the behavior for users with no specified year of birth.'

def test_no_year_of_birth(self):

    self.assertTrue(self.profile.requires_parental_consent())
    self.assertTrue(self.profile.requires_parental_consent(default_requires_consent=True))
    self.assertFalse(self.profile.requires_parental_consent(default_requires_consent=False))
