サイド・バーの幅を可変に (#385) (#396)

Reviewed-on: #396
Co-authored-by: miteruzo <miteruzo@naver.com>
Co-committed-by: miteruzo <miteruzo@naver.com>

frontend/src/pages/theatres/TheatreDetailPage.test.tsx

@@ -105,6 +105,20 @@ const tagSection = (): HTMLElement =>
   screen.getAllByRole ('heading', { name: 'タグ' })[0].closest ('section')!
 
 const mockDefaultApi = () => {
+  let commentsFetched = false
+  let currentTheatreInfo = buildTheatreInfo ({
+    postId:        currentPost.id,
+    postStartedAt: '2026-01-02T03:04:05.000Z',
+    postElapsedMs: 1_000,
+    watchingUsers,
+    skipVote:      {
+      votesCount:         0,
+      requiredCount:      2,
+      watchingUsersCount: watchingUsers.length,
+      voted:              false,
+    },
+  })
+
   api.apiGet.mockImplementation ((path: string) => {
     switch (path)
     {
@@ -112,13 +126,17 @@ const mockDefaultApi = () => {
       return Promise.resolve (theatre)
 
     case '/theatres/7/comments':
+      if (commentsFetched)
+	return Promise.resolve ([])
+
+      commentsFetched = true
       return Promise.resolve ([
-        buildTheatreComment ({
-          theatreId: 7,
-          no:        2,
-          user:      { id: 1, name: 'tester' },
-          content:   '視聴コメント',
-        }),
+	  buildTheatreComment ({
+	    theatreId: 7,
+	    no:        2,
+	    user:      { id: 1, name: 'tester' },
+	    content:   '視聴コメント',
+	  }),
       ])
 
     case '/theatres/7/programmes':
@@ -136,32 +154,22 @@ const mockDefaultApi = () => {
     switch (path)
     {
     case '/theatres/7/watching':
-      return Promise.resolve (buildTheatreInfo ({
-        postId:        currentPost.id,
-        postStartedAt: '2026-01-02T03:04:05.000Z',
-        postElapsedMs: 1_000,
-        watchingUsers,
-        skipVote:      {
-          votesCount:         0,
-          requiredCount:      2,
-          watchingUsersCount: watchingUsers.length,
-          voted:              false,
-        },
-      }))
+      return Promise.resolve (currentTheatreInfo)
 
     case '/theatres/7/skip_vote':
-      return Promise.resolve (buildTheatreInfo ({
-        postId:        currentPost.id,
-        postStartedAt: '2026-01-02T03:04:05.000Z',
-        postElapsedMs: 2_000,
-        watchingUsers,
-        skipVote:      {
-          votesCount:         1,
-          requiredCount:      2,
-          watchingUsersCount: watchingUsers.length,
-          voted:              true,
-        },
-      }))
+      currentTheatreInfo = buildTheatreInfo ({
+	postId:        currentPost.id,
+	postStartedAt: '2026-01-02T03:04:05.000Z',
+	postElapsedMs: 2_000,
+	watchingUsers,
+	skipVote:      {
+	  votesCount:         1,
+	  requiredCount:      2,
+	  watchingUsersCount: watchingUsers.length,
+	  voted:              true,
+	},
+      })
+      return Promise.resolve (currentTheatreInfo)
 
     default:
       return Promise.reject (new Error (`Unexpected PUT ${ path }`))