@Test (expected = RuntimeException.class)
public void testStaticEscapeStringsNoKey() {

  Map<String, String> staticStrings;
  staticStrings = new HashMap<>();
  TimeZone utcTimeZone = TimeZone.getTimeZone("UTC");
  String filePath = "%[abcdefg]/%[IP]/%[FQDN]";
  String realPath = BucketPath.escapeString(filePath, headers,
          utcTimeZone, false, Calendar.HOUR_OF_DAY, 12, false);
}