feat(flutter): 榜单前三铺满与剧场分类吸顶下划线

test/discover/theater_pages_test.dart

@@ -77,9 +77,10 @@ void main() {
     final top1 = tester.getRect(find.byKey(const Key('ranking-cover-1')));
     final top2 = tester.getRect(find.byKey(const Key('ranking-cover-2')));
     final top3 = tester.getRect(find.byKey(const Key('ranking-cover-3')));
-    expect(top1.size, const Size(120, 160));
-    expect(top2.size, const Size(92, 124));
-    expect(top3.size, const Size(92, 124));
+    expect(top1.width, greaterThan(top2.width));
+    expect(top3.width, closeTo(top2.width, 0.5));
+    expect(top2.left, closeTo(14, 0.5));
+    expect(top3.right, closeTo(376, 0.5));
     expect(top2.left, lessThan(top1.left));
     expect(top3.left, greaterThan(top1.right));
     expect(top1.bottom, closeTo(top2.bottom, 0.5));
@@ -95,6 +96,13 @@ void main() {
     expect(find.byKey(const Key('ranking-row-3')), findsOneWidget);
     expect(find.byKey(const Key('ranking-row-2')), findsNothing);
     expect(find.byKey(const Key('ranking-top-4')), findsOneWidget);
+    expect(
+      find.descendant(
+        of: find.byKey(const Key('ranking-row-3')),
+        matching: find.text('synopsis'),
+      ),
+      findsOneWidget,
+    );
   });
 
   testWidgets('should_truncate_podium_when_less_than_three', (tester) async {