 				Node(value: "foo", children: [
 					Node(value: "bar", children: [
 						Node(value: "fuzz", children: [
-							Node(value: "buzz", children: [])
+							Node(value: "buzz")
 						])
 					])
 				])

		it("should parse siblings") {
			let expectedGraph = [
				Node(value: "foo", children: [
					Node(value: "bar", children: [])
				]),

				Node(value: "fuzz", children: [
					Node(value: "buzz", children: [])
				])
			]


		it("should parse grouped siblings") {
			let expectedGraph = [
				Node(value: "foo", children: [
					Node(value: "bar"),
					Node(value: "quux"),
				])
			]

