revert unintended yarn script deletion

Author: Lms24

packages/node-integration-tests/package.json

@@ -13,6 +13,7 @@
     "lint:eslint": "eslint . --cache --cache-location '../../eslintcache/' --format stylish",
     "lint:prettier": "prettier --check \"{suites,utils}/**/*.ts\"",
     "type-check": "tsc",
+    "pretest": "run-s --silent prisma:init",
     "test": "jest --runInBand --forceExit",
     "test:watch": "yarn test --watch"
   },