Report info messages together with their error, warning, or hint.

tests/compiler/dart2js/exit_code_test.dart

Index: tests/compiler/dart2js/exit_code_test.dart
diff --git a/tests/compiler/dart2js/exit_code_test.dart b/tests/compiler/dart2js/exit_code_test.dart
index 70b81725fe06fdef3a37ee007b061e302d891a39..acb111b7aaa1c5b04f4c0768ac0cc1ff7de04188 100644
--- a/tests/compiler/dart2js/exit_code_test.dart
+++ b/tests/compiler/dart2js/exit_code_test.dart
@@ -98,13 +98,15 @@ class TestCompiler extends apiimpl.Compiler {
         break;
       case 'warning':
         onTest(testMarker, testType);
-        reportWarning(NO_LOCATION_SPANNABLE,
-                      MessageKind.GENERIC, {'text': marker});
+        reportWarning(createMessage(
+            NO_LOCATION_SPANNABLE,
+            MessageKind.GENERIC, {'text': marker}));
         break;
       case 'error':
         onTest(testMarker, testType);
-        reportError(NO_LOCATION_SPANNABLE,
-                    MessageKind.GENERIC, {'text': marker});
+        reportError(createMessage(
+            NO_LOCATION_SPANNABLE,
+            MessageKind.GENERIC, {'text': marker}));
         break;
       case 'internalError':
         onTest(testMarker, testType);