Remove deprecated ChangeSet.deletedSources.

pkg/analyzer/test/src/context/context_test.dart

Index: pkg/analyzer/test/src/context/context_test.dart
diff --git a/pkg/analyzer/test/src/context/context_test.dart b/pkg/analyzer/test/src/context/context_test.dart
index 8fa2fa99e03aeae0e23532aa3d599def409acf54..e875ead27b4d2c64f544bec4e5b4497ac23bd5a8 100644
--- a/pkg/analyzer/test/src/context/context_test.dart
+++ b/pkg/analyzer/test/src/context/context_test.dart
@@ -2718,7 +2718,7 @@ int a = 0;''');
     expect(context.sourcesNeedingProcessing.contains(source), isFalse);
   }
 
-  void test_validateCacheConsistency_deletedSource() {
+  void test_validateCacheConsistency_deletedFile() {
     MemoryResourceProvider resourceProvider = new MemoryResourceProvider();
     var fileA = resourceProvider.newFile('/a.dart', "");
     var fileB = resourceProvider.newFile('/b.dart', "import 'a.dart';");