test(wxapi): 适配新的模型测试

test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Wxa/Search/WxaSiteSearchResponse.json

@@ -0,0 +1,21 @@
+{
+    "errcode": 0,
+    "errmsg": "ok",
+    "items": [
+        {
+            "title": "<em class=\"highlight\">微信</em>版本更新！",
+            "description": "...今日，<em class=\"highlight\">微信</em>官方发布<em class=\"highlight\">微信</em>X.Y.Z版本...",
+            "image": "http://image.weixin.qq.com/1.jpeg",
+            "path": "pages/normal/index?id=20191210A0C29X00"
+        },
+        {
+            "title": "<em class=\"highlight\">微信</em>小程序发布新功能！",
+            "description": "<em class=\"highlight\">微信</em>小程序发布了XXX功能...",
+            "image": "http://image.weixin.qq.com/2.jpeg",
+            "path": "pages/normal/index?id=20191210A0C29X11"
+        }
+    ],
+    "has_next_page": 1,
+    "hit_count": 100,
+    "next_page_info": "eyJwYWdlX3BhcmFtIjpbeyJzdWJzeXNfdHlwZSI6MTAsInNlcnZlcl9vZmZzZXQiOjAsInNlcnZlcl9saW1pdCI6MTIwLCJpbmRleF9zdGVwIjoyMCwiaW5kZXhfb2Zmc2V0IjoyMH1dLCJjbGllbnRfb2Zmc2V0IjowLCJjbGllbnRfbGltaXQiOjEwfQ=="
+}