fix(test): match the catalogus zaaktype cell exactly, not case-insensitively (refs #130)

tests/e2e/catalogus.spec.ts

@@ -14,6 +14,8 @@ test('a beheerder sees the published zaaktypen in the catalogus', async ({ page
 
   await expect(page.getByRole('heading', { name: /Catalogus/i })).toBeVisible();
 
-  // The seeded, published BIG zaaktype is shown by its business identificatie.
-  await expect(page.getByText('BIG-REGISTRATIE')).toBeVisible();
+  // The seeded, published BIG zaaktype is shown by its business identificatie. Match the cell
+  // exactly (case-sensitive): getByText is case-insensitive, so it would also match the omschrijving
+  // cell "BIG-registratie" and trip strict mode.
+  await expect(page.getByRole('cell', { name: 'BIG-REGISTRATIE', exact: true })).toBeVisible();
 });