Add 4 integration tests for the analysis domain.

pkg/analysis_server/lib/src/domain_analysis.dart

Index: pkg/analysis_server/lib/src/domain_analysis.dart
diff --git a/pkg/analysis_server/lib/src/domain_analysis.dart b/pkg/analysis_server/lib/src/domain_analysis.dart
index c8f2ec280c939c6962990adb4a84aecdc0aaf023..f4b0875d6f576019b6d1ac7b4f2585637c76fcbc 100644
--- a/pkg/analysis_server/lib/src/domain_analysis.dart
+++ b/pkg/analysis_server/lib/src/domain_analysis.dart
@@ -136,6 +136,8 @@ class AnalysisDomainHandler implements RequestHandler {
       server.sendResponse(new AnalysisGetLibraryDependenciesResult(
               libraries.toList(growable: false), packageMap)
           .toResponse(request.id));
+    }).catchError((error, st) {
+      server.sendResponse(new Response.serverError(request, error, st));
     });
     // delay response
     return Response.DELAYED_RESPONSE;