Reverse.cs

[Theory]
[InlineData("a", "a")]
[InlineData("ab", "ba")]
[InlineData("george", "egroeg")]
[InlineData("kata", "atak")]
[InlineData("stack", "kcats")]
[InlineData("eye", "eye")] // This is a palindrome!
public void ShouldReverseWordSuccessfully(string input, string expected)
{
    // Arrange | Act
    var result = Reverser.Reverse(input);

    // Assert
    Equal(expected, result);
}