chore: add jest config and script

Author: trivikr

private/aws-protocoltests-restxml-s3/jest.config.js

@@ -0,0 +1,5 @@
+const base = require("../../jest.config.base.js");
+
+module.exports = {
+  ...base,
+};

private/aws-protocoltests-restxml-s3/package.json

@@ -9,7 +9,8 @@
     "build:include:deps": "lerna run --scope $npm_package_name --include-dependencies build",
     "build:types": "tsc -p tsconfig.types.json",
     "build:types:downlevel": "downlevel-dts dist-types dist-types/ts3.4",
-    "clean": "rimraf ./dist-* && rimraf *.tsbuildinfo || exit 0"
+    "clean": "rimraf ./dist-* && rimraf *.tsbuildinfo || exit 0",
+    "test": "jest --coverage --passWithNoTests"
   },
   "main": "./dist-cjs/index.js",
   "types": "./dist-types/index.d.ts",