fn test_echo()

in src/components/blank.rs [64:80]


    fn test_echo() {
        let echo: Echo<EchoMsg> = Echo::new(false);
        let output = vec![
            vec!["Line 1"].try_into().unwrap(),
            vec!["Line 2"].try_into().unwrap(),
        ];
        let state = EchoMsg(output.clone());

        let test_output = echo
            .draw(
                &crate::state!(&state),
                Dimensions::new(10, 10),
                DrawMode::Final,
            )
            .unwrap();
        assert_eq!(output, test_output);
    }