public function testHasAssociationAdmin()
{
$adminMock = $this->getMockBuilder('Sonata\\AdminBundle\\Admin\\Admin')->disableOriginalConstructor()->getMock();
$adminMock->expects($this->once())->method('setParentFieldDescription')->with($this->isInstanceOf('Sonata\\AdminBundle\\Admin\\FieldDescriptionInterface'));
$field = new FieldDescription();
$this->assertFalse($field->hasAssociationAdmin());
$field->setAssociationAdmin($adminMock);
$this->assertTrue($field->hasAssociationAdmin());
}