public function test_SimpleProductHasKey()
{
$product = new Configurable($this->configRequiredData, 'color');
$simpleproduct1 = new Simple(clone $this->simpleRequiredData->setSku('sku'));
$simpleproduct1->set('color', 'blue');
$product->addSimpleProduct($simpleproduct1);
$this->assertEquals(1, $product->countSimpleProducts());
$this->assertEquals('sku', $simpleproduct1->get('sku'));
$simpleproduct2 = new Simple(clone $this->simpleRequiredData->setSku('sku2'));
$simpleproduct2->set('color', 'green');
$product->addSimpleProduct($simpleproduct2);
$this->assertEquals(2, $product->countSimpleProducts());
$this->assertEquals('sku', $simpleproduct1->get('sku'));
}
