test1/.vscode/launch.json

// A launch configuration that compiles the extension and then opens it inside a new window
{
    "version": "0.2.0",
    "configurations": [
        {
            "name": "Launch GitLens",
            "type": "extensionHost",
            "request": "launch",
            "runtimeExecutable": "${execPath}",
            "args": ["--extensionDevelopmentPath=${workspaceRoot}" ],
            "stopOnEntry": false,
            "sourceMaps": true,
            "outFiles": ["${workspaceRoot}/out/**/*.js"]
        },
        {
            "name": "Watch & Launch GitLens",
            "type": "extensionHost",
            "request": "launch",
            "runtimeExecutable": "${execPath}",
            "args": ["--extensionDevelopmentPath=${workspaceRoot}" ],
            "stopOnEntry": false,
            "sourceMaps": true,
            "outFiles": ["${workspaceRoot}/out/**/*.js"],
            "preLaunchTask": "watch"
        }
    ]
}