tools/variations/unittest_data/test_config.json

{
  "TestStudy1": [
    {"group_name": "TestGroup1"}
  ],
  "TestStudy2": [
    {
      "group_name": "TestGroup2",
      "params": {
        "x": "1",
        "y": "2"
      },
      "enable_features": ["A", "B"],
      "disable_features": ["C"]
    }
  ],
  "TestStudy3": [
    {"group_name": "TestGroup3", "enable_features": ["X"]}
  ]
}