{
	"version": "2.0.0",
	"presentation": {
		"echo": false,
		"reveal": "always",
		"focus": false,
		"panel": "dedicated",
		"showReuseMessage": true
	},
	"tasks": [
		{
			"type": "npm",
			"script": "test",
			"group": "test",
			"problemMatcher": []
		},
		{
			"type": "npm",
			"script": "watch",
			"group": "build",
			"isBackground": true,
			"problemMatcher": [],
			"presentation": {
				"group": "vscode"
			}
		},
		{
			"type": "npm",
			"script": "start",
			"group": "build",
			"isBackground": true,
			"problemMatcher": [],
			"presentation": {
				"group": "vscode"
			}
		},
		{
			"label": "Start demo",
			"dependsOn": ["npm: watch", "npm: start"],
			"group": "build",
			"isBackground": true,
			"problemMatcher": [],
			"presentation": {
				"group": "vscode"
			}
		}
	]
}

Add build and test task
Add build and test task
