code: def test_ascii_shift():
      res = decrypt(
          Config().library_default().complete_config(),
          '"?FFIzGSzH;G?zCMz<??z;H>z#zFCE?z>IAz;H>z;JJF?z;H>zNL??',
      )
      assert res == answer_str
  
imports: import pytest
  from ciphey import decrypt
  from ciphey.iface import Config
label_desc: Use image node_id 3 for calling a global function with example usage: test_ascii_shift() without return types