code: def test_fulfilled():
      p = Promise.fulfilled(4)
      assert p.is_fulfilled
      assert p.get() == 4
  
imports: from time import sleep
  from pytest import raises, fixture
  from threading import Event
  from promise import Promise, is_thenable, promisify, promise_for_dict
  from concurrent.futures import Future
  from threading import Thread
  from .utils import assert_exception
label_desc: Use image node_id 3 for calling a global function with example usage: test_fulfilled() without return types