ClassicAssert.IsNotAssignableFrom
ClassicAssert.IsNotAssignableFrom succeeds if the object provided may not be assigned a value of the expected type.
ClassicAssert.IsNotAssignableFrom(Type expected, object actual);
ClassicAssert.IsNotAssignableFrom(Type expected, object actual,
string message, params object[] params);
ClassicAssert.IsNotAssignableFrom<T>(object actual);
ClassicAssert.IsNotAssignableFrom<T>(object actual,
string message, params object[] params);