Test for the 'importing a package library' fix.

pkg/analysis_testing/lib/abstract_context.dart

Index: pkg/analysis_testing/lib/abstract_context.dart
diff --git a/pkg/analysis_testing/lib/abstract_context.dart b/pkg/analysis_testing/lib/abstract_context.dart
index 72728ed6af50bfc3b233fe6b3ece3a9eb4406866..f3805dbb0dc2ba3008052a2225faf6887afb5f5e 100644
--- a/pkg/analysis_testing/lib/abstract_context.dart
+++ b/pkg/analysis_testing/lib/abstract_context.dart
@@ -40,10 +40,13 @@ typedef void _ElementVisitorFunction(Element element);
 
 class AbstractContextTest {
   static final DartSdk SDK = new MockSdk();
+  static final UriResolver SDK_RESOLVER = new DartUriResolver(SDK);
 
   MemoryResourceProvider provider = new MemoryResourceProvider();
+  UriResolver resourceResolver;
   AnalysisContext context;
 
+
   Source addSource(String path, String content) {
     File file = provider.newFile(path, content);
     Source source = file.createSource(UriKind.FILE_URI);
@@ -54,11 +57,6 @@ class AbstractContextTest {
     return source;
   }
 
-  void addUriResolvers(List<UriResolver> resolvers) {
-    resolvers.add(new DartUriResolver(SDK));
-    resolvers.add(new ResourceUriResolver(provider));
-  }
-
   /**
    * Performs all analysis tasks in [context].
    */
@@ -80,10 +78,9 @@ class AbstractContextTest {
   }
 
   void setUp() {
+    resourceResolver = new ResourceUriResolver(provider);
     context = AnalysisEngine.instance.createAnalysisContext();
-    List<UriResolver> resolvers = <UriResolver>[];
-    addUriResolvers(resolvers);
-    context.sourceFactory = new SourceFactory(resolvers);
+    context.sourceFactory = new SourceFactory([SDK_RESOLVER, resourceResolver]);
   }
 
   void tearDown() {