def METHOD_NAME(self, environment):
    session = Session(api_token=environment.user_token)
    project = session.get_project(project_qualified_name=environment.project)
    experiment = project.create_experiment(
        tags=["initial tag 1", "initial tag 2"],
    )
    experiment.append_tags("tag1")
    experiment.append_tag(["tag2_to_remove", "tag3"])
    assert set(experiment.get_tags()) == {
        "initial tag 1",
        "initial tag 2",
        "tag1",
        "tag2_to_remove",
        "tag3",
    }