message: Fix completer test.
diff: @@ -312,7 +312,7 @@ mod tests {
  #[test]
  fn filename_completion() {
  let shell = Shell::default();
  - let mut completer = IonFileCompleter::new(None, &shell);
  + let mut completer = IonFileCompleter::new(None, &shell, false);
  assert_eq!(completer.completions("testing"), vec!["testing/"]);
  assert_eq!(completer.completions("testing/file"), vec!["testing/file_with_text"]);
  assert_eq!(completer.completions("~"), vec!["~/"]);
  