@Test
public void alternateSolution() {
Integer actualResult = LengthOfLongestSubstring.alternateFunction(s);
Integer expectResult = 3;
assertEquals(expectResult, actualResult);
}
@Test
public void lengthOfLongestSubstring() {
Integer actualResult = LengthOfLongestSubstring.lengthOfLongestSubstring(s);
Integer expectResult = 3;
assertEquals(expectResult, actualResult);
}