Tasks json variation for VS Code Golang. TODO: fix, file position for tests problem matcher.

tasks.json

{
    // See https://go.microsoft.com/fwlink/?LinkId=733558
    // for the documentation about the tasks.json format
    "version": "2.0.0",
    "tasks": [
        {
            "label": "lint",
            "type": "shell",
            "command": "make lint",
            "problemMatcher": [
                "$go"
            ]
        },
        {
            "label": "test",
            "type": "shell",
            "command": "make test",
            "problemMatcher": [
                "$go"
            ]
        },
        {
            "label": "unittest",
            "type": "shell",
            "command": "go test -count 1 $(go list ./... | grep -v /e2e) ",
            "problemMatcher": {
                "owner": "go",
                "fileLocation": ["relative", "${cwd}"],
                "pattern": [
                    {
                    "regexp": "^.*Error Trace:\\s*(\\S*):(.*)()$",
                    "file": 1,
                    "line": 2
                    },
                    {
                      "regexp": "^.*Error:\\s*(.*)$",
                      "message": 1
                    }
                ]
            },
            "group": {
                "kind": "build",
                "isDefault": true
            }
        },
        {
            "label": "presubmit",
            "type": "shell",
            "command": "make presubmit",
            "problemMatcher": [
                "$go"
            ]
        }
    ]
}