svoid test_LeftArrowScriptAutoCompleter() {
  new GazelleV_LeftArrowScriptParser parser;
  LeftArrowScriptAutoCompleter completer = new(parser);
  completer.seek("a", 1);
  assertEqualsVerbose("a", completer.typedCharacters);
  
  completer.globalMethodNames = -> ll("add", "pat", "lol");
  
  assertEqualsVerbose(ll("add", "pat"), completer.getCompletions());
}