public void CheckPermutationOne_ReturnTrueIfPermutation()
{
var result = Implementation.CheckPermutationOne("abcdeee", "eeedcba");
Assert.IsTrue(result);
result = Implementation.CheckPermutationOne("eabcdee", "eeedcba");
Assert.IsTrue(result);
result = Implementation.CheckPermutationOne("eabcdeew", "teeedcba");//LD different because of "w" and "t"
Assert.IsFalse(result);
}