{
  "problemMatcher": [
      {
          "owner": "mocha",
          "pattern": [
              {
                  "regexp": "^\\s*Error: (.+)$",
                  "message": 1
              },
              {
                  "regexp": "^\\s*at Context\\.<anonymous>\\s\\((.*):(\\d+):(\\d+)\\)$",
                  "file": 1,
                  "line": 2,
                  "column": 3
              }
          ]
      }
  ]
}