Support serving from multiple directories using "pub serve".

pkg/scheduled_test/test/scheduled_stream/stream_matcher_test.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library scheduled_test.stream_matcher_test;
 
 import 'dart:async';
 
 import 'package:scheduled_test/scheduled_stream.dart';
 import 'package:scheduled_test/scheduled_test.dart';
@@ skipping 190 matching lines @@
     expect(errors.first.error.message, equals(
         "Expected: values followed by <100>\n"
         " Emitted: * 1\n"
         "          * 2\n"
         "          * 3\n"
         "          * 4\n"
         "          * 5\n"
         "   Which: unexpected end of stream"));
   });
 
+  expectTestPasses("consumeWhile() consumes values while the given matcher "
+      "matches", () {
+    var stream = createStream();
+    stream.expect(consumeWhile(lessThan(4)));
+    stream.expect(4);
+  });
+
+  expectTestPasses("consumeWhile() will stop if the first value doesn't match",
+      () {
+    var stream = createStream();
+    stream.expect(consumeWhile(2));
+    stream.expect(1);
+  });
+
   expectTestPasses("either() will match if the first branch matches", () {
     createStream().expect(either(1, 100));
   });
 
   expectTestPasses("either() will match if the second branch matches", () {
     createStream().expect(either(100, 1));
   });
 
   expectTestPasses("either() will consume the maximal number of values if both "
       "branches match", () {
@@ skipping 81 matching lines @@
     expect(errors.first.error.message, equals(
         "Expected: is done\n"
         " Emitted: * 1\n"
         "          * 2\n"
         "          * 3\n"
         "          * 4\n"
         "          * 5\n"
         "   Which: stream wasn't finished"));
   });
 }