Break up another large file

pkg/analyzer/test/src/task/options_work_manager_test.dart

Index: pkg/analyzer/test/src/task/options_work_manager_test.dart
diff --git a/pkg/analyzer/test/src/task/options_work_manager_test.dart b/pkg/analyzer/test/src/task/options_work_manager_test.dart
index 707d630c0ef3122569c0153c37409077a9b80b5c..d52286be72b591a80bbc6915cd82db72a5a1fe2c 100644
--- a/pkg/analyzer/test/src/task/options_work_manager_test.dart
+++ b/pkg/analyzer/test/src/task/options_work_manager_test.dart
@@ -4,8 +4,10 @@
 
 library analyzer.test.src.task.options_work_manager_test;
 
+import 'package:analyzer/error/error.dart' show AnalysisError;
 import 'package:analyzer/exception/exception.dart';
 import 'package:analyzer/src/context/cache.dart';
+import 'package:analyzer/src/error/codes.dart' show AnalysisOptionsErrorCode;
 import 'package:analyzer/src/generated/engine.dart'
     show
         AnalysisEngine,
@@ -14,8 +16,6 @@ import 'package:analyzer/src/generated/engine.dart'
         CacheState,
         ChangeNoticeImpl,
         InternalAnalysisContext;
-import 'package:analyzer/src/generated/error.dart'
-    show AnalysisError, AnalysisOptionsErrorCode;
 import 'package:analyzer/src/generated/source.dart';
 import 'package:analyzer/src/task/options.dart';
 import 'package:analyzer/src/task/options_work_manager.dart';