def METHOD_NAME(data_fixture):
    user = data_fixture.create_user()
    workspace = data_fixture.create_workspace(user=user)
    q = WorkspaceUser.objects.filter(user=user, workspace=workspace).all()
    annotated_q = (
        NotificationHandler.annotate_workspaces_with_unread_notifications_count(
            user, q, outer_ref_key="workspace_id"
        )
    )
    assert annotated_q[0].unread_notifications_count == 0
    data_fixture.create_workspace_notification(recipients=[user], workspace=workspace)
    annotated_q = (
        NotificationHandler.annotate_workspaces_with_unread_notifications_count(
            user, q, outer_ref_key="workspace_id"
        )
    )
    assert annotated_q[0].unread_notifications_count == 1