2.0-upgrade service dependency fix

Author: Cholin2000

tests/Behat/Resources/services/contexts/setup.xml

@@ -12,7 +12,7 @@
             <argument type="service" id="sylius.factory.product_option" />
             <argument type="service" id="sylius.factory.product_option_value" />
             <argument type="service" id="doctrine.orm.entity_manager" />
-            <argument type="service" id="sylius.product_variant_resolver.default" />
+            <argument type="service" id="sylius.resolver.product_variant.default" />
             <argument type="service" id="sylius.generator.slug" />
         </service>