def test_preserve_upper_case(self): assert norm('privateHA') == 'privateHA'
def test_specials_replaced_by_underscore(self): assert norm('a-b c%d=e') == 'a_b_c_d_e'
def test_same_when_no_special_symbols(self): assert norm('default') == 'default'
def test_underscore_is_accepted(self): assert norm('some_name') == 'some_name'