Code inspection: NUnit. Test case source must be static.

public class MyTestClass
{
    [TestCaseSource("DivideCases")]
    public void DivideTest(int n, int d, int q)
    {
        Assert.AreEqual(q, n / d);
    }

    static object[] DivideCases =
    {
        new object[] { 12, 3, 4 },
        new object[] { 12, 2, 6 },
        new object[] { 12, 4, 3 }
    };
}