Unlock Test Case

$//*$answer is not false, or true, or any of the exceptions listed.

$//$

public void test$66()\{$

BallCollection bc $=$ new Ballcollection$()$;

$//$ Give the string of the result or name of exception

$//"$it$"$ was never assigned and so it is null;

assertEqualsOrException$("$NullPointerException$",()->$ it$.$hasNext$())$;

it $=$ bc$.$iterator$()$;

assertEqualsOrException$("$false$",()->$ it$.$hasNext$())$;

assertEqualsOrException$("$NoSuchElementException$",()->$ it$.$next$())$;

bc$.$add$($e$[1])$; $//$ added a ball

assertEqualsOrException$(???,()->$ it$.$hasNext$())$;

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