Refactors layout engine tests to use arrays

Updates tests to use arrays instead of Maps for storing layouts.
This simplifies the data structures and allows for more straightforward assertions.

test/managers/AllDayManager.test.ts

@@ -18,26 +18,24 @@ describe('AllDayManager - Manager Functionality', () => {
       
       const layouts = allDayManager.calculateAllDayEventsLayout([event], weekDates);
       
-      expect(layouts.size).toBe(1);
-      expect(layouts.has('test')).toBe(true);
-      
-      const layout = layouts.get('test');
-      expect(layout?.startColumn).toBe(3); // Sept 24 is column 3
-      expect(layout?.row).toBe(1);
+      expect(layouts.length).toBe(1);
+      expect(layouts[0].calenderEvent.id).toBe('test');
+      expect(layouts[0].startColumn).toBe(3); // Sept 24 is column 3
+      expect(layouts[0].row).toBe(1);
     });
 
     it('should handle empty event list', () => {
       const weekDates = ['2024-09-22', '2024-09-23', '2024-09-24', '2024-09-25', '2024-09-26'];
       const layouts = allDayManager.calculateAllDayEventsLayout([], weekDates);
       
-      expect(layouts.size).toBe(0);
+      expect(layouts.length).toBe(0);
     });
 
     it('should handle empty week dates', () => {
       const event = createMockEvent('test', 'Test Event', '2024-09-24', '2024-09-24');
       const layouts = allDayManager.calculateAllDayEventsLayout([event], []);
       
-      expect(layouts.size).toBe(0);
+      expect(layouts.length).toBe(0);
     });
   });
 });