### Question:
StringUtils { public static String stripTrailingSlash(String stringWithPossibleTrailingSlash){ if (stringWithPossibleTrailingSlash.endsWith("/")){ return stringWithPossibleTrailingSlash.substring(0, stringWithPossibleTrailingSlash.length()-1); } return stringWithPossibleTrailingSlash; } private  StringUtils(); static String stripTrailingSlash(String stringWithPossibleTrailingSlash); static String subString(String s, int startIndex, int endIndex, int minLength); static String capitaliseFirstWord(String s); static String capitaliseAllWords(String s);  }### Answer:
@Test public void testStripTrailingSlash() { assertEquals(" assertEquals(" assertEquals(" assertEquals(" }