public void Find_And_Replace_Whole_phrase()
{
FindReplace test2 = new FindReplace("hello world", "hello world", "universe");
Assert.Equal("universe", test2.ReplaceWord());
}
public void Find_And_Replace_Words_Within_Words_With_Capitals()
{
FindReplace test3 = new FindReplace("Catdog", "cat", "wolf");
Assert.Equal("wolfdog", test3.ReplaceWord());
}
public void Find_And_Replace_Test()
{
FindReplace test = new FindReplace("hello world", "world", "universe");
Assert.Equal("hello universe", test.ReplaceWord());
}