Centralize credential handling

My thinking is that this may reduce the cognitive overhead for
developers writing new test suites.

This also allows us to perform different setup steps (like ensuring the
editor is visible when authenticated).

test/e2e/openHelpAbout.test.ts

@@ -1,11 +1,6 @@
-import { storageState } from "../utils/constants"
 import { describe, test, expect } from "./baseFixture"
 
-describe("Open Help > About", () => {
-  test.use({
-    storageState,
-  })
-
+describe("Open Help > About", true, () => {
   test("should see a 'Help' then 'About' button in the Application Menu that opens a dialog", async ({
     codeServerPage,
   }) => {