Downgrade fastify for Node 12 compatibility

Author: jscheid

wsi-test-helper/index.ts

@@ -8,7 +8,7 @@
 import getPort from "get-port";
 import puppeteer from "puppeteer";
 import Fastify from "fastify";
-import FastifyStatic from "@fastify/static";
+import FastifyStatic from "fastify-static";
 import { resolve } from "path";
 import type { Compiler, Stats } from "webpack";
 

wsi-test-helper/package.json

@@ -6,15 +6,16 @@
   "license": "MIT",
   "private": true,
   "devDependencies": {
-    "@fastify/static": "^6.8.0",
     "@tsconfig/node12": "^1.0.9",
     "@types/connect": "^3.4.35",
+    "@types/fastify-static": "^0.14.0",
     "@types/node": "^14.17.5",
     "@types/puppeteer": "^5.4.5",
     "@types/serve-static": "^1.13.10",
     "connect": "^3.7.0",
-    "fastify": "^4.12.0",
+    "fastify": "^3.29.5",
     "fastify-graceful-shutdown": "^3.4.0",
+    "fastify-static": "^4.7.0",
     "get-port": "^5.1.1",
     "http-shutdown": "^1.2.2",
     "puppeteer": "^13.5.1",