/**
  * @covers \examples\statemachines\PwrCall\PwrCall::stopCalling
  * @covers \examples\statemachines\PwrCall\AbstractPwrCallState::stopCalling
  * @expectedException \examples\statemachines\PwrCall\IllegalStateTransitionException
  */
 public function testCannotStopCalling()
 {
     $this->pwrcall->stopCalling();
 }
 /**
  * @covers \examples\statemachines\PwrCall\PwrCall::stopCalling
  * @covers \examples\statemachines\PwrCall\CustCallHangupState::stopCalling
  * @uses   \examples\statemachines\PwrCall\PwrCall::isEndState
  */
 public function testCanStopCalling()
 {
     $this->pwrcall->stopCalling();
     $this->assertTrue($this->pwrcall->isEndState());
 }