Function makeRootWithGroup

__tests__/patch.js:208–218

	})

	const makeRootWithGroup = groupName => ({
		id: 0,
		type: "root",
		children: [
			{
				id: 3,
				children: [{id: 2, type: "node", value: "A"}],
				groupName
			}
		]
	})

	function runNestedPatchScenario() {
		let nestedPatches = []