tests: add gist card performance test (#3372)

tests/bench/gist.bench.js

@@ -0,0 +1,51 @@
+import { benchmarkSuite } from "jest-bench";
+import gist from "../../api/gist.js";
+import axios from "axios";
+import MockAdapter from "axios-mock-adapter";
+import { jest } from "@jest/globals";
+
+const gist_data = {
+  data: {
+    viewer: {
+      gist: {
+        description:
+          "List of countries and territories in English and Spanish: name, continent, capital, dial code, country codes, TLD, and area in sq km. Lista de países y territorios en Inglés y Español: nombre, continente, capital, código de teléfono, códigos de país, dominio y área en km cuadrados. Updated 2023",
+        owner: {
+          login: "Yizack",
+        },
+        stargazerCount: 33,
+        forks: {
+          totalCount: 11,
+        },
+        files: [
+          {
+            name: "countries.json",
+            language: {
+              name: "JSON",
+            },
+            size: 85858,
+          },
+        ],
+      },
+    },
+  },
+};
+
+const mock = new MockAdapter(axios);
+mock.onPost("https://api.github.com/graphql").reply(200, gist_data);
+
+benchmarkSuite("test /api/gist", {
+  ["simple request"]: async () => {
+    const req = {
+      query: {
+        id: "bbfce31e0217a3689c8d961a356cb10d",
+      },
+    };
+    const res = {
+      setHeader: jest.fn(),
+      send: jest.fn(),
+    };
+
+    await gist(req, res);
+  },
+});