speedup jest performance see jestjs/jest#7963 (comment)

package.json

@@ -8,7 +8,7 @@
     "dev_docker": "npx tsc && ef-tspm && nodemon",
     "tsc": "tsc && ef-tspm",
     "clean": "rm -rf ./build",
-    "test": "jest",
+    "test": "jest --verbose --runInBand", 
     "test:watch": "jest --watch",
     "typeorm": "ts-node -r tsconfig-paths/register ./node_modules/.bin/typeorm",
     "typeorm:sync": "npm run typeorm schema:sync"