Android 单元测试没有被嘲笑

Android 单元测试没有被嘲笑

java
public class CalculatorTest {
    @Test
    public void testAddition() {
        Calculator calculator = new Calculator();
        int result = calculator.add(2, 3);
        assertEquals(5, result);
    }
}
public class Calculator {
    public int add(int a, int b) {
        return a + b;
    }
}