test: there are no tests in echo service

Author: kuhe

private/aws-echo-service/package.json

@@ -9,9 +9,7 @@
     "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",
-    "test": "vitest run",
-    "test:watch": "vitest watch"
+    "clean": "rimraf ./dist-* && rimraf *.tsbuildinfo"
   },
   "main": "./dist-cjs/index.js",
   "types": "./dist-types/index.d.ts",