Fix path to test services file

Author: marekrzytki

tests/Application/config/services_test.yaml

@@ -1,3 +1,3 @@
 imports:
-  - { resource: "../../Behat/Resources/services.yml" }
+  - { resource: "../../Behat/Resources/services.xml" }
   - { resource: "../../../vendor/sylius/sylius/src/Sylius/Behat/Resources/config/services.xml" }