nu-command 0.75.0

Nushell's built-in commands
Documentation 
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use nu_test_support::{nu, pipeline};

#[test]
fn export_subcommands_help() {
    let actual = nu!(
        cwd: ".", pipeline(
        r#"
        export def -h
        "#
    ));

    assert!(actual
        .out
        .contains("Define a custom command and export it from a module"));
}