Fix issue commenting assertion

We are having a fixed timestamp for any cob action so we should probably
not try to assert the correct relative timestamp.

tests/e2e/repo/issue.spec.ts

@@ -41,10 +41,7 @@ test("creation of top level comments", async ({ page }) => {
     );
   await page.getByRole("button", { name: "icon-checkmark" }).click();
   await expect(
-    page.getByRole("button", {
-      name: "icon-issue Make sure that comment creation is working avatar palm opened 8faf9dc 6 months ago",
-      exact: true,
-    }),
+    page.getByRole("button", { name: "icon-issue Make sure that" }),
   ).toBeVisible();
   await expect(
     page