test(card): ssr test

Author: bennypowers

elements/pf-card/test/pf-card.e2e.ts

@@ -38,5 +38,6 @@ test.describe(tagName, () => {
     });
     await fixture.updateCompleteFor('pf-card');
     await expect(fixture.page.locator('pf-card #title')).toHaveAttribute('hidden');
+    await expect(fixture.page.locator('pf-card #header')).not.toHaveAttribute('hidden');
   });
 });