can't create an instance of IPhoneDriver

java.lang.IllegalStateException: Unable to find a constructor for implementation class org.openqa.selenium.iphone.IPhoneDriver(URL,DesiredCapabilities). Please make sure that you haven't misconfigured Arquillian Drone, e.g. you set an implementationClass which does not match the field/parameter type in your code.
	at org.jboss.arquillian.drone.webdriver.factory.SecurityActions.newInstance(SecurityActions.java:144)
	at org.jboss.arquillian.drone.webdriver.factory.IPhoneDriverFactory.createInstance(IPhoneDriverFactory.java:84)
	at org.jboss.arquillian.graphene.drone.factory.GrapheneIPhoneDriverFactory.createInstance(GrapheneIPhoneDriverFactory.java:74)
	at org.jboss.arquillian.graphene.drone.factory.GrapheneIPhoneDriverFactory.createInstance(GrapheneIPhoneDriverFactory.java:39)
	at org.jboss.arquillian.drone.webdriver.factory.WebDriverFactory.createInstance(WebDriverFactory.java:129)
	at org.jboss.arquillian.graphene.drone.factory.GrapheneWebDriverFactory.createInstance(GrapheneWebDriverFactory.java:80)
	at org.jboss.arquillian.graphene.drone.factory.GrapheneWebDriverFactory.createInstance(GrapheneWebDriverFactory.java:41)
	at org.jboss.arquillian.drone.impl.DroneCreator.createWebTestBrowser(DroneCreator.java:71)
	at org.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:94)
	at org.jboss.arquillian.core.impl.EventContextImpl.invokeObservers(EventContextImpl.java:99)
	at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:81)
	at org.jboss.arquillian.core.impl.ManagerImpl.fire(ManagerImpl.java:135)
	at org.jboss.arquillian.core.impl.ManagerImpl.fire(ManagerImpl.java:115)
	at org.jboss.arquillian.core.impl.EventImpl.fire(EventImpl.java:67)
	at org.jboss.arquillian.drone.impl.DroneConfigurator.configureDrone(DroneConfigurator.java:116)
	at org.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:94)
	at org.jboss.arquillian.core.impl.EventContextImpl.invokeObservers(EventContextImpl.java:99)
	at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:81)
	at org.jboss.arquillian.test.impl.TestContextHandler.createClassContext(TestContextHandler.java:75)
	at org.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:94)
	at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:88)
	at org.jboss.arquillian.test.impl.TestContextHandler.createSuiteContext(TestContextHandler.java:60)
	at org.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:94)
	at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:88)
	at org.jboss.arquillian.core.impl.ManagerImpl.fire(ManagerImpl.java:135)
	at org.jboss.arquillian.core.impl.ManagerImpl.fire(ManagerImpl.java:115)
	at org.jboss.arquillian.test.impl.EventTestRunnerAdaptor.beforeClass(EventTestRunnerAdaptor.java:80)
	at org.jboss.arquillian.testng.Arquillian.arquillianBeforeClass(Arquillian.java:103)
	at org.apache.maven.surefire.testng.TestNGExecutor.run(TestNGExecutor.java:77)
	at org.apache.maven.surefire.testng.TestNGDirectoryTestSuite.execute(TestNGDirectoryTestSuite.java:110)
	at org.apache.maven.surefire.testng.TestNGProvider.invoke(TestNGProvider.java:106)
	at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
	at org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
	at org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:113)
	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)