public function getEntityManager()
{
$airport = $this->getMock( 'Airports\Entity\Airport' );
$airport->expects( $this->once() )
->method( 'getCode' )
->will( $this->returnValue( 'AAA' ) );
$airport->expects( $this->once() )
->method( 'getCity' )
->will( $this->returnValue( 'Anaa' ) );
$airport->expects( $this->once() )
->method( 'getName' )
->will( $this->returnValue( 'Anaa' ) );
$airport->expects( $this->once() )
->method( 'getCountry' )
->will( $this->returnValue( 'French Polynesia' ) );