code: def test_all_tags(tmp_dir, scm, dvc):
      scm.tag("v1")
      assert all_tags() == ["v1"]
  
      tmp_dir.scm_gen("foo", "foo", "commit")
      scm.tag("v2")
  
      assert set(all_tags()) == {"v1", "v2"}
  
label_desc: Use image node_id 3 for calling a global function with example usage: test_all_tags(tmp_dir, scm, dvc) without return types