Update for package:test; onPrint->onMessage

CHANGELOG.md

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3913260..ad45ca9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 0.2.2+4
+
+* Compatibility with the latest `test`.
+
 # 0.2.2+3
 
 * Compatibility with the latest `test`.

lib/metatest.dart

diff --git a/lib/metatest.dart b/lib/metatest.dart
index 994a1d5..06adf51 100644
--- a/lib/metatest.dart
+++ b/lib/metatest.dart
@@ -77,7 +77,7 @@
           new PluginEnvironment(), SuiteConfiguration.empty, declarer.build())
     ]);
     for (var test in engine.liveTests) {
-      test.onPrint.listen(print);
+      test.onMessage.listen((message) => print(message.text));
     }
     await engine.run();
 

pubspec.yaml

diff --git a/pubspec.yaml b/pubspec.yaml
index 7c719da..bcd4923 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,9 +1,9 @@
 name: metatest
-version: 0.2.2+3
+version: 0.2.2+4
 author: Dart Team <misc@dartlang.org>
 description: A package for testing Dart test frameworks.
 homepage: https://github.com/dart-lang/metatest
 environment:
   sdk: '>=1.8.0 <2.0.0'
 dependencies:
-  test: '^0.12.17'
+  test: '^0.12.30'