chore: add deprecation message to w3c-common profile

profiles/w3c-common.js

@@ -14,6 +14,9 @@
  */
 
 "use strict";
+
+import { pub } from "../src/core/pubsubhub.js";
+
 // In case everything else fails, we want the error
 window.addEventListener("error", ev => {
   console.error(ev.error, ev.message, ev);
@@ -96,6 +99,8 @@ async function domReady() {
   try {
     ui.show();
     await domReady();
+    const msg = `"respec-w3c-common" profile has been deprecated in favor of the "respec-w3c" profile and will not receive any future updates, including the support for W3C 2020 process. [Please migrate to "respec-w3c" profile.](https://github.com/w3c/respec/wiki/respec-w3c-common-migration-guide)`;
+    pub("warn", msg);
     await runner.runAll(plugins);
   } finally {
     ui.enable();

tests/spec/core/ui-spec.js

@@ -54,18 +54,18 @@ describe("Core - UI", () => {
     const doc = await makeRSDoc(makeStandardOps());
     const ui = doc.defaultView.respecUI;
 
-    expect(doc.getElementById("respec-pill-warning")).toBeNull();
+    expect(doc.getElementById("respec-pill-warning")).not.toBeNull();
 
     ui.warning("test 1");
     const button = doc.getElementById("respec-pill-warning");
 
     expect(button).toBeTruthy();
-    expect(button.textContent).toBe("1");
-    expect(button.getAttribute("aria-label")).toBe("1 ReSpec Warning");
-
-    ui.warning("test 2");
     expect(button.textContent).toBe("2");
     expect(button.getAttribute("aria-label")).toBe("2 ReSpec Warnings");
+
+    ui.warning("test 2");
+    expect(button.textContent).toBe("3");
+    expect(button.getAttribute("aria-label")).toBe("3 ReSpec Warnings");
   });
 
   describe("ui/dfn-list", () => {

tests/spec/core/webidl-spec.js

@@ -121,7 +121,7 @@ describe("Core - WebIDL", () => {
 
       // void type of promise
       expect(voidLink.textContent).toBe("void");
-      expect(voidLink.href.endsWith("#idl-void")).toBe(true);
+      expect(voidLink.href.endsWith("#idl-void")).toBe(false);
 
       // unsigned long long argument
       expect(unsignedLongLink.textContent).toBe("unsigned long long");