public function testGetCheapestEnabledVariationWithNoEnabledVariation()
{
$product = new ProductTest();
$variationMock = new ProductTest();
$variationMock->setEnabled(false);
$product->addVariation($variationMock);
$provider = $this->createNewProductProvider();
$provider->setVariationFields(array('test'));
$this->assertNull($provider->getCheapestEnabledVariation($product));
}