code: def test_to_unicode_errors_replace():
      assert strings.to_unicode("abcабв".encode("utf-8"), "ascii")
      assert strings.to_unicode("абв".encode("utf-8"), "ascii")
  
imports: import pytest
  import six
  from library.python import strings
label_desc: Use image node_id 3 for calling a global function with example usage: test_to_unicode_errors_replace() without return types