Revert "refactor: remove version check e2e test"

This reverts commit b23c398b.

test/e2e/openHelpAbout.test.ts

+import { version } from "../../src/node/constants"
 import { describe, test, expect } from "./baseFixture"
 
 describe("Open Help > About", true, [], {}, () => {
@@ -5,8 +6,12 @@ describe("Open Help > About", true, [], {}, () => {
     // Open using the menu.
     await codeServerPage.navigateMenus(["Help", "About"])
 
+    const isDevMode = process.env.VSCODE_DEV === "1"
+
     // Look for code-server info div.
-    const element = await codeServerPage.page.waitForSelector(`div[role="dialog"] >> text=code-server`)
+    const element = await codeServerPage.page.waitForSelector(
+      `div[role="dialog"] >> text=code-server: ${isDevMode ? "Unknown" : "v" + version}`,
+    )
     expect(element).not.toBeNull()
   })
 })