search mongo flakes consistently

[jancajthaml]

Failure/Error: Then search responds with 200

{
  "data": {
    "Accounts": null
  },
  "errors": [
    {
      "message": "mongo was not initialised properly",
      "locations": [
        {
          "line": 1,
          "column": 4
        }
      ],
      "path": [
        "Accounts"
      ]
    }
  ]
}