Add server-side communications channel

pkg/analyzer_plugin/test/src/channel/isolate_channel_test.dart

Index: pkg/analyzer_plugin/test/src/channel/isolate_channel_test.dart
diff --git a/pkg/analyzer_plugin/test/src/channel/isolate_channel_test.dart b/pkg/analyzer_plugin/test/src/channel/isolate_channel_test.dart
index 3918ebf2bb1b8ba85a3401335c5c12e04c57af8e..e2abc7cab6f3d575081a37f9295cd0ccf0790204 100644
--- a/pkg/analyzer_plugin/test/src/channel/isolate_channel_test.dart
+++ b/pkg/analyzer_plugin/test/src/channel/isolate_channel_test.dart
@@ -12,17 +12,17 @@ import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
 void main() {
-  defineReflectiveTests(IsolateChannelTest);
+  defineReflectiveTests(PluginIsolateChannelTest);
 }
 
 @reflectiveTest
-class IsolateChannelTest {
+class PluginIsolateChannelTest {
   TestSendPort sendPort;
-  IsolateChannel channel;
+  PluginIsolateChannel channel;
 
   void setUp() {
     sendPort = new TestSendPort();
-    channel = new IsolateChannel(sendPort);
+    channel = new PluginIsolateChannel(sendPort);
   }
 
   void tearDown() {