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,
            INDEX_NAME,
        ]
    )
Check if all required environment variables are set.
llama-index-integrations/vector_stores/llama-index-vector-stores-couchbase/tests/test_vector_stores_couchbase.py