feat(flutter): 重构四 Tab 与浏览页

test/mine/mine_preview_layout_test.dart

@@ -53,7 +53,7 @@ void main() {
       ),
     );
     await tester.pumpAndSettle();
-    await tester.tap(find.byKey(const Key('tab-my')));
+    await tester.tap(find.byKey(const Key('tab-mine')));
     await tester.pumpAndSettle();
 
     expect(find.byKey(const Key('mine-user-row')), findsOneWidget);