'Make sure series plugin does not lock in to type \'special\''

def test_special_lock(self, execute_task):

    task = execute_task(u'test_special_lock')
    assert (len(task.accepted) == 4), u'All    specials    should    have    been    accepted'
    task = execute_task(u'try_reg')
    assert (len(task.accepted) == 2), u'Specials    should    not    have    caused    episode    type    lock-in'
