describe('Example Unit Test-case', () => {
    function testSumFunction(a: number, b: number) {
        return a + b;
    }
    it('should equal 4', () => {
        expect(testSumFunction(2, 2)).toBe(4);
    });
    test('also should equal 4', () => {
        expect(testSumFunction(2, 2)).toBe(4);
    });
});
 
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