Merge occurrences.

pkg/analysis_server/test/plugin/set_analysis_domain_test.dart

 // Copyright (c) 2014, 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 test.plugin.analysis_contributor;
 
 import 'dart:async';
 
 import 'package:analysis_server/analysis/analysis_domain.dart';
 import 'package:analysis_server/analysis/navigation_core.dart';
@@ skipping 106 matching lines @@
 }
 
 class TestOccurrencesContributor implements OccurrencesContributor {
   final SetAnalysisDomainTest test;
 
   TestOccurrencesContributor(this.test);
 
   @override
   void computeOccurrences(
       OccurrencesCollector collector, AnalysisContext context, Source source) {
-    collector.addOccurrences(new Occurrences(
-        new Element(ElementKind.UNKNOWN, 'TestElement', 0), <int>[1, 2, 3], 5));
+    Element element = new Element(ElementKind.UNKNOWN, 'TestElement', 0);
+    collector.addOccurrences(new Occurrences(element, <int>[1, 2], 5));
+    collector.addOccurrences(new Occurrences(element, <int>[3], 5));
   }
 }
 
 class TestSetAnalysisDomainPlugin implements Plugin {
   final SetAnalysisDomainTest test;
 
   TestSetAnalysisDomainPlugin(this.test);
 
   @override
   String get uniqueIdentifier => 'test';
@@ skipping 17 matching lines @@
       expect(result.value, isNotNull);
       Source source = result.target.source;
       test.parsedUnitFiles.add(source.fullName);
       domain.scheduleNotification(
           result.context, source, AnalysisService.NAVIGATION);
       domain.scheduleNotification(
           result.context, source, AnalysisService.OCCURRENCES);
     });
   }
 }