Eliminate nondeterminism from analysis server unit tests.

pkg/analysis_server/test/analysis_server_test.dart

Index: pkg/analysis_server/test/analysis_server_test.dart
diff --git a/pkg/analysis_server/test/analysis_server_test.dart b/pkg/analysis_server/test/analysis_server_test.dart
index 538267c394cd90f93176f86332ba1701551f4269..eeaebdf09a15f0439405c69b59304f46fa8b3a0e 100644
--- a/pkg/analysis_server/test/analysis_server_test.dart
+++ b/pkg/analysis_server/test/analysis_server_test.dart
@@ -16,7 +16,7 @@ import 'mocks.dart';
 main() {
   group('AnalysisServer', () {
     setUp(AnalysisServerTest.setUp);
-//    test('createContext', AnalysisServerTest.createContext);
+    test('createContext', AnalysisServerTest.createContext);
     test('echo', AnalysisServerTest.echo);
     test('shutdown', AnalysisServerTest.shutdown);
     test('unknownRequest', AnalysisServerTest.unknownRequest);
@@ -38,7 +38,6 @@ class AnalysisServerTest {
     request.setParameter(ServerDomainHandler.SDK_DIRECTORY_PARAM, sdkPath);
     request.setParameter(ServerDomainHandler.CONTEXT_ID_PARAM, 'ctx');
     return channel.sendRequest(request)
-        .timeout(new Duration(seconds: 1))

[danrubel, 2014/04/21 16:59:10]

If for some reason, the server completes normally or throws an exception but
does not send a response, then this test will hang without this timeout. If we
want to assume in our tests that the server will always send a response, then
I'm ok with this change.

         .then((Response response) {
           expect(response.id, equals('my27'));
           expect(response.error, isNull);
@@ -49,7 +48,6 @@ class AnalysisServerTest {
     server.handlers = [new EchoHandler()];
     var request = new Request('my22', 'echo');
     return channel.sendRequest(request)
-        .timeout(new Duration(seconds: 1))
         .then((Response response) {
           expect(response.id, equals('my22'));
           expect(response.error, isNull);
@@ -61,7 +59,6 @@ class AnalysisServerTest {
     var request = new Request('my28', ServerDomainHandler.SHUTDOWN_METHOD);
     request.setParameter(ServerDomainHandler.SDK_DIRECTORY_PARAM, '');
     return channel.sendRequest(request)
-        .timeout(new Duration(seconds: 1))
         .then((Response response) {
           expect(response.id, equals('my28'));
           expect(response.error, isNull);
@@ -72,7 +69,6 @@ class AnalysisServerTest {
     server.handlers = [new EchoHandler()];
     var request = new Request('my22', 'randomRequest');
     return channel.sendRequest(request)
-        .timeout(new Duration(seconds: 1))
         .then((Response response) {
           expect(response.id, equals('my22'));
           expect(response.error, isNotNull);