/**
  * Should be able to get the relation to another class.
  */
 public function testRelationTo()
 {
     $imagesRelation = $this->makeMock(BelongsToMany::class);
     $this->product->shouldReceive('images')->once()->andReturn($imagesRelation);
     $this->assertEquals($imagesRelation, $this->productPresenter->relationTo(new Image()));
 }