Kumite

import codewars_test as test
import solution

@test.describe('Test')
def test_group():
    @test.it('Even case')
    def is_even():
        for i in range(-30, 30, 2):
            test.assert_equals(solution.is_even(i), True)
            
    @test.it('Odd case')
    def is_even():
        for i in range(-29, 30, 2):
            test.assert_equals(solution.is_even(i), False)