use nu_test_support::nu; #[test] fn fails_when_first_arg_is_multiple_chars() { let actual = nu!("seq char aa z"); assert!(actual.err.contains("should be 1 character long")); } #[test] fn fails_when_second_arg_is_multiple_chars() { let actual = nu!("seq char a zz"); assert!(actual.err.contains("should be 1 character long")); }