static void Test_Case1() { CustomQueue <string> string_queue = new CustomQueue <string>(); string_queue.enqueueing("node1"); string_queue.enqueueing("node2"); string_queue.enqueueing("node3"); string_queue.enqueueing("node4"); string_queue.normal_print(); string_queue.dequeueing(); string_queue.normal_print(); string_queue.enqueueing("node5"); string_queue.normal_print(); }