test: 优化 image.test.js 截图

pages/component/image/image.test.js

@@ -81,7 +81,7 @@ describe('component-native-image', () => {
     if (process.env.android_cpu_type === 'x86_64') return
     const page = await program.navigateTo('/pages/component/image/image-mode');
     await page.waitFor(1000);
-    const image = await program.screenshot(screenshotParams)
+    const image = await program.screenshot({fullPage: true})
     expect(image).toSaveImageSnapshot()
   });
 });