revert change to tests instance

Author: Laure-di

.github/workflows/checks.yml

@@ -41,5 +41,6 @@ jobs:
           SCW_DEFAULT_PROJECT_ID: ${{ secrets.SCW_DEFAULT_PROJECT_ID }}
           SCW_DEFAULT_ORGANIZATION_ID: ${{ secrets.SCW_DEFAULT_ORGANIZATION_ID }}
           SCW_DEFAULT_REGION: ${{ secrets.SCW_DEFAULT_REGION }}
+          CI: true
         run: poetry run pytest -v