test(load-font-face): 优化测试例

pages/API/load-font-face/load-font-face.test.js

@@ -12,7 +12,7 @@ describe("loadFontFace", () => {
   });
   it("child screenshot", async () => {
     const page = await program.navigateTo(CHILD_PAGE_PATH);
-    await page.waitFor(1000);
+    await page.waitFor(3000);
     const image = await program.screenshot();
     expect(image).toMatchImageSnapshot();
   });