test: fix paths

Author: Guillaume Chau

.circleci/config.yml

@@ -63,9 +63,9 @@ jobs:
           at: ~/project
       - run: cd packages/@vue/cli-ui && yarn test
       - store_artifacts:
-          path: tests/e2e/videos
+          path: packages/@vue/cli-ui/tests/e2e/videos
       - store_artifacts:
-          path: tests/e2e/screenshots
+          path: packages/@vue/cli-ui/tests/e2e/screenshots
 
 workflows:
   version: 2