Function waitFor

test/support/util.ts:92–96

(emitter, event)

}

export function waitFor<T = unknown>(emitter, event) {
  return new Promise<T>((resolve) => {
    emitter.once(event, resolve);
  });
}

// TODO: update superagent as latest release now supports promises
export function eioHandshake(httpServer): Promise<string> {