code: def test_construction_with_params(self):
      uploader = FileUpload(accept=".txt", multiple=True, disabled=True)
      assert uploader.accept == ".txt"
      assert uploader.multiple
      assert uploader.disabled
  
imports: from unittest import TestCase
  from traitlets import TraitError
  from ipywidgets import FileUpload
label_desc: Use image node_id 2 for calling the TestFileUpload obj's underlying member method code with example usage: obj.test_construction_with_params() without return types