public function testGetCountryStates()
 {
     $countryState = new CountryState();
     $states = $countryState->getStates('US');
     $this->assertRegExp("/([A-Z]{2})/", key($states));
     $this->assertEquals("Hawaii", $states['HI']);
 }
 public function getCountryStates($countryCode)
 {
     if ($states = \CountryState::getStates(strtoupper($countryCode))) {
         $return = ['states' => $states];
     } else {
         $return = ['states' => null];
     }
     return response()->json($return);
 }