public function getCountryStates($countryCode)
 {
     if ($states = \CountryState::getStates(strtoupper($countryCode))) {
         $return = ['states' => $states];
     } else {
         $return = ['states' => null];
     }
     return response()->json($return);
 }
 public function testGetStateName()
 {
     $countryState = new CountryState();
     $stateName = $countryState->getStateName('HI', 'US');
     $this->assertEquals("Hawaii", $stateName);
 }