/// <summary>
/// Adds an explanation on the end of a Steps name.
/// </summary>
/// <param name="step">The step to add the explanation to the end of the name.</param>
/// <param name="explanation">The explanation that follows the word ' because '.</param>
/// <returns></returns>
public static Step Because(this Step step, string explanation)
{
step.AppendToName($" because {explanation}");
return(step);
}