Don't depend on boto3 while testing (do it in backend)

tests/_create_bucket.py

@@ -0,0 +1,19 @@
+import os
+
+import boto3
+
+
+def main() -> int:
+    resource = boto3.resource(
+        service_name="s3",
+        endpoint_url="http://minio:9000",
+        region_name="us-east-1",
+        aws_access_key_id=os.getenv("MINIO_ACCESS_KEY"),
+        aws_secret_access_key=os.getenv("MINIO_SECRET_KEY"),
+    )
+    resource.create_bucket(Bucket="frappe")
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())