/**
  * Test method for the <tt>create(array $json)</tt> function.
  */
 public function testCreate()
 {
     // Test with a success response
     $registerDeviceResponse = RegisterDeviceResponse::create(array('status_code' => 200, 'status_message' => 'OK'));
     $this->assertTrue($registerDeviceResponse->isOk());
     $this->assertEquals(200, $registerDeviceResponse->getStatusCode());
     $this->assertEquals('OK', $registerDeviceResponse->getStatusMessage());
     // Test with an error response
     $registerDeviceResponse = RegisterDeviceResponse::create(array('status_code' => 400, 'status_message' => 'KO'));
     $this->assertFalse($registerDeviceResponse->isOk());
     $this->assertEquals(400, $registerDeviceResponse->getStatusCode());
     $this->assertEquals('KO', $registerDeviceResponse->getStatusMessage());
 }