Make pub warning-clean.

pkg/scheduled_test/lib/scheduled_test.dart

Index: pkg/scheduled_test/lib/scheduled_test.dart
diff --git a/pkg/scheduled_test/lib/scheduled_test.dart b/pkg/scheduled_test/lib/scheduled_test.dart
index 4c4eed142d3e0af33f1f75f3ca52e8c6167ee3dd..b46dc45006e26c2d35d5c2c92c1179424abbbed7 100644
--- a/pkg/scheduled_test/lib/scheduled_test.dart
+++ b/pkg/scheduled_test/lib/scheduled_test.dart
@@ -183,7 +183,7 @@ import 'src/utils.dart';
 
 export 'package:unittest/matcher.dart' hide completes, completion;
 export 'package:unittest/unittest.dart' show
-    config, configure, Configuration, logMessage, expectThrow;
+    Configuration, logMessage, expectThrow;
 
 export 'src/schedule.dart';
 export 'src/schedule_error.dart';
@@ -344,3 +344,10 @@ Future wrapFuture(Future future, [String description]) {
 
   return currentSchedule.wrapFuture(future, description);
 }
+
+// TODO(nweiz): re-export these once issue 9535 is fixed.
+unittest.Configuration get unittestConfiguration =>
+  unittest.unittestConfiguration;
+void set unittestConfiguration(unittest.Configuration value) {
+  unittest.unittestConfiguration = value;
+}