def set_all_env_vars() -> bool:
    """Check if all required environment variables are set."""
    return all(
        [
            CONNECTION_STRING,
            BUCKET_NAME,
            SCOPE_NAME,
            COLLECTION_NAME,
            USERNAME,
            PASSWORD,
        ]
    )
Check if all required environment variables are set.
llama-index-integrations/storage/kvstore/llama-index-storage-kvstore-couchbase/tests/test_kvstore_couchbase.py