message: fix(exchange): runInBand mode for e2e tests
diff: "test:watch": "jest --watch",
  "test:cov": "jest --coverage",
  "test:debug": "node --inspect-brk -r tsconfig-paths/register -r ts-node/register node_modules/.bin/jest --runInBand",
  - "test:e2e": "concurrently --success first --kill-others -n eth,test \"yarn start-ganache\" \"wait-on tcp:8580 && jest --config ./test/jest-e2e.json --forceExit\"",
  + "test:e2e": "concurrently --success first --kill-others -n eth,test \"yarn start-ganache\" \"wait-on tcp:8580 && jest --runInBand --verbose --config ./test/jest-e2e.json --forceExit\"",
  "start-ganache": "ganache-cli -m 'chalk park staff buzz chair purchase wise oak receive avoid avoid home' -l 8000000 -e 1000000 -a 20 -p 8580",
  "clean": "shx rm -rf dist dist-shakeable"
  },
  