test(flutter): 收敛异步配置与分页测试

test/core/app_pull_to_refresh_test.dart

@@ -43,7 +43,7 @@ void main() {
     final scrollable = tester.state<ScrollableState>(
       find.descendant(of: list, matching: find.byType(Scrollable)).first,
     );
-    expect(scrollable.position.pixels, 0);
+    expect(scrollable.position.pixels, lessThan(0));
     final indicator = find.byKey(const Key('pull-refresh-indicator'));
     expect(indicator, findsOneWidget);
     expect(