feat: setup nightly tests for postgres and mysql schemas (#4441)

* feat: unify Jest config

* feat: simplify DB setup for tests

* feat: setup nightly tests for postgres and mysql schemas

packages/workflow/jest.config.js

@@ -0,0 +1,2 @@
+/** @type {import('jest').Config} */
+module.exports = require('../../jest.config');

packages/workflow/package.json

@@ -39,7 +39,6 @@
   "devDependencies": {
     "@n8n_io/eslint-config": "",
     "@types/express": "^4.17.6",
-    "@types/jest": "^27.4.0",
     "@types/jmespath": "^0.15.0",
     "@types/lodash.get": "^4.4.6",
     "@types/lodash.merge": "^4.6.6",
@@ -47,10 +46,7 @@
     "@types/luxon": "^2.0.9",
     "@types/node": "^16.11.22",
     "@types/xml2js": "^0.4.3",
-    "jest": "^27.4.7",
-    "jest-environment-jsdom": "^27.5.1",
     "prettier": "^2.3.2",
-    "ts-jest": "^27.1.3",
     "typescript": "~4.8.0"
   },
   "dependencies": {
@@ -62,21 +58,5 @@
     "lodash.set": "^4.3.2",
     "luxon": "~2.3.0",
     "xml2js": "^0.4.23"
-  },
-  "jest": {
-    "transform": {
-      "^.+\\.ts$": "ts-jest"
-    },
-    "testURL": "http://localhost/",
-    "testRegex": "(/__tests__/.*|(\\.|/)(test|spec))\\.(js|ts)$",
-    "testPathIgnorePatterns": [
-      "/dist/",
-      "/node_modules/"
-    ],
-    "moduleFileExtensions": [
-      "ts",
-      "js",
-      "json"
-    ]
   }
 }