Issue 27130. Fix applying changes to .analysis_options on save.

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 5a91ee357b93a2c5ed7081ccf30500e7c824d058..7f86af5c18942936f4723b7400e07d097b6743d4 100644
--- a/pkg/analyzer/test/src/context/context_test.dart
+++ b/pkg/analyzer/test/src/context/context_test.dart
@@ -398,8 +398,7 @@ main() {
     // it is already overridden in the content cache.
     ChangeSet changeSet = new ChangeSet();
     changeSet.changedSource(source);
-    ApplyChangesStatus changesStatus = context.applyChanges(changeSet);
-    expect(changesStatus.hasChanges, isFalse);
+    context.applyChanges(changeSet);
     expect(context.sourcesNeedingProcessing, hasLength(0));
   }