public void Enumerable_BeEqualTo_With_Equal_Should_NotThrow(RangeAsyncEnumerable actual, int[] expected)
        {
            // Arrange

            // Act
            actual.Must().BeAsyncEnumerableOf <int>().BeEqualTo(expected);

            // Assert
        }
        public void Enumerable_BeEqualTo_With_NotEqual_Null_Should_Throw(RangeAsyncEnumerable actual, int[] expected, string message)
        {
            // Arrange

            // Act
            Action action = () => actual.Must().BeAsyncEnumerableOf <int>().BeEqualTo(expected);

            // Assert
            var exception = Assert.Throws <EqualToAssertionException <RangeAsyncEnumerable, int[]> >(action);

            Assert.Equal(actual, exception.Actual);
            Assert.Equal(expected, exception.Expected);
            Assert.Equal(message, exception.Message);
        }