@Test
public void
hasAtleastOneLowercaseLetter_shouldReturnTrue_whenStringHasAtleastOneLowercaseLetter() throws
    Exception {

  assertEquals(true, validateTor.hasAtleastOneLowercaseCharacter("abcde1"));
  assertEquals(true, validateTor.hasAtleastOneLowercaseCharacter("a1b2c3"));
  assertEquals(true, validateTor.hasAtleastOneLowercaseCharacter("123abc"));
  assertEquals(true, validateTor.hasAtleastOneLowercaseCharacter("abcdef"));
  assertEquals(true, validateTor.hasAtleastOneLowercaseCharacter("aBcD123#"));
}