private IEnumerable <ITestRule> GetInequalityOperatorReturns(T instance, T other, bool result, string testCase) =>
InequalityOperator.Select(
method => MethodReturns <T, bool> .Operator(method, "operator !=", instance, other, result, testCase));
private IEnumerable <Rules.ITestRule> GetEqualityOperatorReturns(T instance, T other, bool result, string testCase) =>
this.EqualityOperator.Select <MethodInfo, Rules.MethodReturns <T, bool> >(
method => MethodReturns <T, bool> .Operator(method, "operator ==", instance, other, result, testCase));