TestCaseData<T1, T2, T3, T4, T5> public class TestCaseData<T1, T2, T3, T4, T5> : TestCaseData Marks a method as a parameterized test suite and provides arguments for each test case. Documentation Code public TestCaseData(T1 argument1, T2 argument2, T3 argument3, T4 argument4, T5 argument5) Construct a TestCaseData with a list of arguments.