Attribute Macro runtime_ignore_if 

#[runtime_ignore_if]

Ignore test case when function return some reason The function should be fn() -> Option<String>

test_with::runner!(custom_mod);

fn something_happened() -> Option<String> {
    Some("because something happened".to_string())
}

#[test_with::module]
mod custom_mod {
#[test_with::runtime_ignore_if(something_happened)]
fn test_ignored() {
    assert!(false);
    }
}