Fix fixture

src/nationalarchives/components/message/fixtures.json

@@ -4,9 +4,10 @@
     {
       "name": "default",
       "options": {
+        "headingLevel": 2,
         "message": "Please note this page references hunger strikes and force feeding, which some people may find upsetting."
       },
-      "html": "<div class=\"tna-message \"><svg class=\"tna-message__icon\" xmlns=\"http://www.w3.org/2000/svg\" focusable=\"false\" aria-hidden=\"true\" viewBox=\"0 0 34 34\" width=\"40\" height=\"40\"><path fill=\"currentColor\" d=\"M15.33 8.67h3.34V12h-3.34V8.67Zm0 6.66h3.34v10h-3.34v-10ZM17 .33a16.67 16.67 0 1 0 .01 33.35A16.67 16.67 0 0 0 17 .33Zm0 30A13.35 13.35 0 0 1 3.67 17C3.67 9.65 9.65 3.67 17 3.67S30.33 9.65 30.33 17 24.35 30.33 17 30.33Z\"></path></svg><div class=\"tna-message__message\">Please note this page references hunger strikes and force feeding, which some people may find upsetting.</div></div>",
+      "html": "<div class=\"tna-message \"><h2 class=\"tna-message__heading\"><span class=\"tna-message__heading-icon\">I</span>mportant information</h2><div class=\"tna-message__message\">Please note this page references hunger strikes and force feeding, which some people may find upsetting.</div></div>",
       "hidden": false
     }
   ]