fix: LinkedList test (trekhleb#712)

Author: nomyfan

src/data-structures/linked-list/__test__/LinkedList.test.js

@@ -230,7 +230,7 @@ describe('LinkedList', () => {
     expect(node).toBeDefined();
     expect(node.value.value).toBe(2);
     expect(node.value.customValue).toBe('test2');
-    expect(linkedList.find({ value: 2, customValue: 'test5' })).toBeNull();
+    expect(linkedList.find({ value: { value: 2, customValue: 'test5' } })).toBeNull();
   });
 
   it('should find preferring callback over compare function', () => {