code: def test_adding(escape):
      unsafe = '<script type="application/x-some-script">alert("foo");</script>'
      safe = Markup("<em>username</em>")
      assert unsafe + safe == str(escape(unsafe)) + str(safe)
  
imports: import pytest
  from markupsafe import Markup
label_desc: Use image node_id 1 for calling a global function with example usage: test_adding(escape) without return types