java.lang.NullPointerException at edu.cmu.cs211.snake.util.MyHashSet$LinkedNode.containsNode(MyHashSet.java:355) at edu.cmu.cs211.snake.util.MyHashSet.contains(MyHashSet.java:140) at edu.cmu.cs211.snake.util.MyHashSet.add(MyHashSet.java:155) at edu.cmu.cs211.snake.staff.tests.HashtableTest.strangeObjectsTest(HashtableTest.java:162)

java.lang.NullPointerException at edu.cmu.cs211.snake.util.MyHashSet$LinkedNode.containsNode(MyHashSet.java:355) at edu.cmu.cs211.snake.util.MyHashSet.contains(MyHashSet.java:140) at edu.cmu.cs211.snake.util.MyHashSet.add(MyHashSet.java:155) at edu.cmu.cs211.snake.staff.tests.HashtableTest.stressCore(HashtableTest.java:309) at edu.cmu.cs211.snake.staff.tests.HashtableTest.stressNull(HashtableTest.java:252)

java.lang.AssertionError: hasNext true expected:<true> but was:<false>  at edu.cmu.cs211.snake.staff.tests.QueueTest.stressTestCore(QueueTest.java:176) at edu.cmu.cs211.snake.staff.tests.QueueTest.stressTestAddRemoveIterate(QueueTest.java:147)