public void testIsCompatible() {
   for (int i = 0; i < staticCompatibleStrings1.length; i++) {
     assertEquals(
         "Testing " + staticCompatibleStrings1[i] + " and " + staticCompatibleStrings2[i],
         staticCompatibleAnswers[i],
         ISODateInstance.isCompatible(staticCompatibleStrings1[i], staticCompatibleStrings2[i]));
   }
 }