Function mock_execute_sql

nodedb-client/src/traits/core/trait_def.rs:775–779

()

    #[tokio::test]
    async fn mock_execute_sql() {
        let db = MockDb;
        let result = db.execute_sql("SELECT 1", &[]).await.unwrap();
        assert_eq!(result.row_count(), 0);
    }

    /// Verify the full "one API, any runtime" pattern: application
    /// code switches between `NodeDbLite` and `NodeDbRemote` only at