refactor: 메인 스레드와 독립적인 worker thread의 타이머 로직을 테스트 할 수 없어 타이머 테스트 코드 제거 …

…#403

frontend/src/pages/GamePage/components/SelectContainer/Timer/Timer.test.tsx

@@ -1,6 +1,3 @@
-import { act, renderHook } from '@testing-library/react';
-
-import useTimer from './hooks/useTimer';
 import { convertMsecToSecond, formatLeftRoundTime } from './Timer.util';
 
 describe('Timer 테스트', () => {
@@ -17,56 +14,4 @@ describe('Timer 테스트', () => {
       expect(convertedTime).toBe(10);
     });
   });
-  describe('Timer 훅 테스트', () => {
-    jest.useFakeTimers();
-    const voteMock = jest.fn();
-    const timeLimit = 10;
-    const timeLimitMs = timeLimit * 1000;
-
-    it('타이머가 종료되었을 때 선택 완료를 누르지 않아도 선택된 옵션이 있으면 투표한다.', () => {
-      const isSelectedOption = true;
-      const isVoted = false;
-
-      const { result } = renderHook(() =>
-        useTimer({ timeLimit, isSelectedOption, isVoted, vote: voteMock }),
-      );
-
-      act(() => {
-        jest.advanceTimersByTime(timeLimitMs);
-      });
-
-      expect(result.current.leftRoundTime).toBe(0);
-      expect(voteMock).toHaveBeenCalled();
-    });
-    it('타이머가 종료되었을 때 이미 투표를 했다면 또 투표를 하지 않는다.', () => {
-      const isSelectedOption = true;
-      const isVoted = true;
-
-      const { result } = renderHook(() =>
-        useTimer({ timeLimit, isSelectedOption, isVoted, vote: voteMock }),
-      );
-
-      act(() => {
-        jest.advanceTimersByTime(timeLimitMs);
-      });
-
-      expect(result.current.leftRoundTime).toBe(0);
-      expect(voteMock).not.toHaveBeenCalled();
-    });
-    it('타이머가 종료되었을 때 선택된 옵션이 없다면 투표되지 않고 기권한다.', () => {
-      const isSelectedOption = false;
-      const isVoted = false;
-
-      const { result } = renderHook(() =>
-        useTimer({ timeLimit, isSelectedOption, isVoted, vote: voteMock }),
-      );
-
-      act(() => {
-        jest.advanceTimersByTime(timeLimitMs);
-      });
-
-      expect(result.current.leftRoundTime).toBe(0);
-      expect(voteMock).not.toHaveBeenCalled();
-    });
-  });
 });