Add a boolean which causes AnalysisServer to rethrow exceptions.

pkg/analysis_server/test/mocks.dart

Index: pkg/analysis_server/test/mocks.dart
diff --git a/pkg/analysis_server/test/mocks.dart b/pkg/analysis_server/test/mocks.dart
index 53f8458ae2026de0c282adb805010915d886cd5b..2551cae88c293cb4356959842ab3ec2094280017 100644
--- a/pkg/analysis_server/test/mocks.dart
+++ b/pkg/analysis_server/test/mocks.dart
@@ -12,7 +12,6 @@ import 'dart:mirrors';
 
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/source.dart';
-import 'package:analysis_server/src/analysis_logger.dart';
 import 'package:analysis_server/src/analysis_server.dart';
 import 'package:analysis_server/src/channel.dart';
 import 'package:analysis_server/src/protocol.dart';
@@ -173,41 +172,6 @@ class MockServerChannel implements ServerCommunicationChannel {
 }
 
 /**
- * Exception thrown when an unexpected function call is made on a mock.
- */
-class UnexpectedMockCall extends Error {
-  UnexpectedMockCall(this.functionName);
-
-  final String functionName;
-
-  String toString() => "Unexpected call to $functionName";
-}
-
-/**
- * Shorthand function for throwing an UnexpectedMockCall exception.
- */
-_unexpected(String functionName) {
-  throw new UnexpectedMockCall(functionName);
-}
-
-/**
- * A mock [AnalysisLogger] that treats all errors and warnings as unexpected.
- */
-@proxy
-class MockAnalysisLogger extends Logger {
-
-  void logError(String message) {
-    print(message);
-    _unexpected('MockAnalysisLogger.logError');
-  }
-
-  noSuchMethod(Invocation invocation) {
-    var name = MirrorSystem.getName(invocation.memberName);
-    return _unexpected("MockAnalysisLogger.$name");
-  }
-}
-
-/**
  * A mock [AnalysisContext] for testing [AnalysisServer].
  */
 class MockAnalysisContext extends Mock implements AnalysisContext {