fix(breadcrumb): scope ariaSnapshot to DBBreadcrumb section for improved accuracy

Author: sarahbrng

showcases/e2e/default.ts

@@ -271,7 +271,20 @@ export const runAriaSnapshotTest = ({
 
 		await page.waitForTimeout(1000); // We wait a little bit until everything loaded
 
-		let snapshot = await page.locator('main').ariaSnapshot();
+		// Scope snapshot to the DBBreadcrumb section to avoid unrelated page-level landmarks
+		const breadcrumbSection = page
+			.getByRole('heading', { name: 'DBBreadcrumb', level: 1 })
+			.locator('xpath=ancestor::section[1]');
+
+		let snapshot: string;
+		try {
+			// If the section exists, snapshot only that region
+			await expect(breadcrumbSection).toBeVisible({ timeout: 5000 });
+			snapshot = await breadcrumbSection.ariaSnapshot();
+		} catch {
+			// Fallback to the full main snapshot if section resolution fails
+			snapshot = await page.locator('main').ariaSnapshot();
+		}
 
 		// Remove `/url` in snapshot because they differ in every showcase
 		const lines = snapshot.split('\n');