content test [nfc]: Add wrapWithMessageContent to prepareContentBare

Author: chrisbobbe

test/widgets/content_test.dart

@@ -95,9 +95,16 @@ void main() {
   Future<List<Route<dynamic>>> prepareContentBare(WidgetTester tester, String html, {
     bool wrapWithScaffold = false,
     bool wrapWithPerAccountStoreWidget = false,
+    bool wrapWithMessageContent = false,
   }) async {
     Widget widget = BlockContentList(nodes: parseContent(html).nodes);
 
+    if (wrapWithMessageContent) {
+      widget = MessageContent(
+        message: eg.streamMessage(content: html),
+        content: parseContent(html));
+    }
+
     if (wrapWithScaffold) {
       widget = Scaffold(body: widget);
     }