test: set attribute_parser test to "TODO"

the tests are not correctly calling the `parse` method currently

spec-es6/attribute_parser.spec.ts

@@ -40,7 +40,7 @@ describe("Lexing", () => {
     });
 });
 
-describe("Parser", () => {
+describe.todo("Parser", () => {
     it("simple label", () => {
         const attrs = attributeParser.parse(["#token"].map((t: any) => ({ text: t })));