@Test
 public void testTrimQuotes() {
   String text = "t";
   for (int i = 0; i < OPTIONS.length; i++) {
     for (int j = 0; j < OPTIONS.length; j++) {
       String target = OPTIONS[i] + text + OPTIONS[j];
       System.out.println(target);
       assertTrue(StringUtil.trimQuotes(target).equals(text));
     }
   }
 }
 public void testTrimForStringLength0to1() {
   for (String charq : OPTIONS) {
     assertTrue("".equals(StringUtil.trimQuotes(charq)));
   }
 }