Function run_in_group_with 

pub fn run_in_group_with(
    group: &str,
    name: &str,
    opts: &DispatchOpts,
    process: &dyn ProcessExec,
    notifier: &dyn Notifier,
    prompter: &mut dyn Prompter,
) -> Result<DispatchReport, DispatchError>

Run the named command in the given group with injected dependencies (used by tests and dry-run).