message: fix mocha dep
diff: "node": "^12.4.0"
  },
  "dependencies": {
  - "@babel/core": "^7.8.7",
  - "mocha": "^7.1.0"
  + "@babel/core": "^7.8.7"
  },
  "devDependencies": {
  - "@mongosh/shell-api": "^0.0.1-alpha.10",
  - "ast-pretty-print": "^2.0.1"
  + "ast-pretty-print": "^2.0.1",
  + "mocha": "^7.1.0",
  + "mongosh-shell-api": "file:../shell-api"
  }
  }
  