code: def test_get_tag(self):
      ex = self.model.example("1 foo| a b c")
      assert ex.get_tag() == "foo"
      ex = self.model.example("1 1.0 bar| a b c")
      assert ex.get_tag() == "bar"
      ex = self.model.example("1 'baz | a b c")
      assert ex.get_tag() == "baz"
  
imports: import os
  from pathlib import Path
  import vowpalwabbit
  from vowpalwabbit import Workspace
  import pytest
  import warnings
  import filecmp
label_desc: Use image node_id 3 for calling the TestVW obj's underlying member method code with example usage: obj.test_get_tag() without return types