public void WithoutEnd2()
 {
     AssertEquals("Input:WithoutEnd2(\"Hello\") ", "ell", exercises.WithoutEnd2("Hello"));
     AssertEquals("Input: WithoutEnd2(\"abc\")", "b", exercises.WithoutEnd2("abc"));
     AssertEquals("Input: WithoutEnd2(\"ab\")", "", exercises.WithoutEnd2("ab"));
     AssertEquals("Input: WithoutEnd2(\"a\")", "", exercises.WithoutEnd2("a"));
     AssertEquals("Input: WithoutEnd2(\"\"))", "", exercises.WithoutEnd2(""));
     AssertEquals("Input: WithoutEnd2(\"coldy\")", "old", exercises.WithoutEnd2("coldy"));
     AssertEquals("Input: WithoutEnd2(\"java code\")", "ava cod", exercises.WithoutEnd2("java code"));
 }