def METHOD_NAME(self):
    # Some items to play with.
    self.item_a = FakeQueueItem("a")
    self.item_b = FakeQueueItem("b")
    self.item_c = FakeQueueItem("c")
    self.item_d = FakeQueueItem("d")
    self.item_e = FakeQueueItem("e")
    # And an empty priority queue.
    self.queue = PriorityQueue()