Is it a good practice to include an expected result in a testcase?

Consider the following test:

    [TestCase(2016, true)]
    [TestCase(2017, false)]
    [TestCase(2018, false)]
    [TestCase(2019, false)]
    [TestCase(2020, true)]
    public void When_IsLeapYear_ReturnTrueForLeapYear(int year, bool expectedResult)
    {
        //Act
        var result = _sut.IsLeapYear(year);

        //Assert
        Assert.AreEqual(result, expectedResult);
    }

Is it a bad practice to include both the year and the expected results in testcases like that, instead of creating two different tests (e.g. one for expecting true, one for expecting false?)

Thanks