refactor(e2e): organize fixtures by feature

e2e/specs/mock/chat/chat-quantity-limit.spec.ts

@@ -24,9 +24,7 @@ test.beforeEach(async ({ baseURL, context, page }) => {
   });
 });
 
-test("guest hits the chat quantity limit and can continue to login and subscription", async ({
-  page,
-}) => {
+test("guest uses the shared chat limit top-up flow", async ({ page }) => {
   await enterChatFromSplash(page);
   await dismissChatInterruptions(page);
 
@@ -81,9 +79,10 @@ test("guest hits the chat quantity limit and can continue to login and subscript
   expect(limitTriggeredAt).toBe(mockedLimitTriggerAt);
 
   await expect(quantityLimitBanner).toBeVisible();
-  await expect(messageInput).toHaveCount(0);
-
-  const topUpButton = page.getByRole("button", {
+  await expect(
+    quantityLimitBanner.getByText("Free chats refresh every day."),
+  ).toBeVisible();
+  const topUpButton = quantityLimitBanner.getByRole("button", {
     name: "Top up credits to continue",
   });
   await expect(topUpButton).toBeVisible();