fixup! isolate mandatory env vars in test.py, remove corresponding de…

…fault values from base.py

config/settings/test.py

@@ -17,7 +17,7 @@
 AWS_S3_ACCESS_KEY_ID = os.getenv("CELLAR_ADDON_KEY_ID", "minioadmin")
 AWS_S3_SECRET_ACCESS_KEY = os.getenv("CELLAR_ADDON_KEY_SECRET", "minioadmin")
 AWS_S3_ENDPOINT_URL = (
-    f"{os.getenv('CELLAR_ADDON_PROTOCOL', 'http')}://{os.getenv('CELLAR_ADDON_HOST', 'localhost:900')}"
+    f"{os.getenv('CELLAR_ADDON_PROTOCOL', 'http')}://{os.getenv('CELLAR_ADDON_HOST', 'localhost:9000')}"
 )
 AWS_STORAGE_BUCKET_NAME = "private-bucket"
 AWS_STORAGE_BUCKET_NAME_PUBLIC = "public-bucket"