ci: verify isolated Docker news journeys before merging to main

e2e/news-real/news.spec.ts

@@ -59,6 +59,9 @@ test("staff signs in, saves a draft, previews it and publishes to anonymous read
 	const rows = async (sql: string, params: string[] = []) =>
 		(await database.query<RowDataPacket[]>(sql, params))[0];
 	const title = "Notizia browser: città e novità 🎉";
+	const publicTitle = reader.locator(
+		".content-card:has(.article-body) .content-card-title",
+	);
 	const slug = "browser-news-real";
 	const summary =
 		"Una notizia creata e pubblicata attraverso il pannello reale.";
@@ -160,9 +163,7 @@ test("staff signs in, saves a draft, previews it and publishes to anonymous read
 			expect(response?.status()).toBeLessThan(500);
 			// Next can stream not-found markup with HTTP 200; assert the actual 404 screen.
 			await expect(reader.locator(".error-screen-code")).toHaveText("404");
-			await expect(
-				reader.getByRole("heading", { name: title, exact: true }),
-			).toHaveCount(0);
+			await expect(publicTitle).toHaveCount(0);
 			const listing = await anonymous.request
 				.get("/api/articles")
 				.then((response) => response.json());
@@ -257,9 +258,8 @@ test("staff signs in, saves a draft, previews it and publishes to anonymous read
 		await test.step("anonymous pages and API read the newly published content", async () => {
 			const response = await reader.reload();
 			expect(response?.status()).toBe(200);
-			await expect(
-				reader.getByRole("heading", { name: title, exact: true }),
-			).toBeVisible();
+			await expect(publicTitle).toHaveText(title);
+			await expect(publicTitle).toBeVisible();
 			await expect(reader.locator(".article-body")).toContainText(body);
 			await expect(reader.locator(".error-screen-code")).toHaveCount(0);
 			const listing = await anonymous.request