Extract EmbedderRelatedTest to a utility file

pkg/analyzer/test/src/dart/sdk/sdk_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 analyzer.test.generated.sdk_test;
 
 import 'package:analyzer/file_system/file_system.dart';
 import 'package:analyzer/file_system/memory_file_system.dart';
 import 'package:analyzer/src/context/builder.dart' show EmbedderYamlLocator;
 import 'package:analyzer/src/dart/sdk/sdk.dart';
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/java_engine_io.dart';
 import 'package:analyzer/src/generated/sdk.dart';
 import 'package:analyzer/src/generated/source.dart';
 import 'package:unittest/unittest.dart';
 
+import '../../../embedder_tests.dart';
 import '../../../generated/test_support.dart';
 import '../../../reflective_tests.dart';
 import '../../../resource_utils.dart';
-import '../../../source/embedder_test.dart';
 import '../../../utils.dart';
 
 main() {
   initializeTestEnvironment();
   runReflectiveTests(EmbedderSdkTest);
   runReflectiveTests(FolderBasedDartSdkTest);
   runReflectiveTests(SdkExtensionFinderTest);
   runReflectiveTests(SDKLibrariesReaderTest);
 }
 
@@ skipping 386 matching lines @@
     expect(second, isNotNull);
     expect(second.category, "Server");
     expect(second.path, "second/second.dart");
     expect(second.shortName, "dart:second");
     expect(second.isDart2JsLibrary, false);
     expect(second.isDocumented, false);
     expect(second.isImplementation, true);
     expect(second.isVmLibrary, false);
   }
 }