public void PsuedoQueue_starts_empty()
        {
            // Arrange and Act
            PsuedoQueue <int> psuedoQueue = new PsuedoQueue <int>();

            // Assert
            Assert.True(psuedoQueue.PQIsEmpty());
        }
        public void PsuedoQueue_Enqueue_adds_to_PsuedoQueue()
        {
            // Arrange
            PsuedoQueue <int> psuedoQueue = new PsuedoQueue <int>();

            // Act
            psuedoQueue.Enqueue(1);

            // Assert
            Assert.False(psuedoQueue.PQIsEmpty());
        }