public function testIsRelatedTo()
{
$notRelatedProduct = Product::getNewInstance($this->productCategory);
$notRelatedProduct->save();
$relatedProduct = Product::getNewInstance($this->productCategory);
$relatedProduct->save();
$this->product->addRelatedProduct($relatedProduct);
$this->product->save();
$this->assertFalse($notRelatedProduct->isRelatedTo($this->product, ProductRelationship::TYPE_CROSS));
$this->assertTrue($relatedProduct->isRelatedTo($this->product, ProductRelationship::TYPE_CROSS));
// isRelatedTo provide one direction testing is related to means that
// this product is in that product's related products list
$this->assertFalse($this->product->isRelatedTo($relatedProduct, ProductRelationship::TYPE_CROSS));
}
