Switch 'analyzer' to 'package:test' and test_reflective_loader ^0.1.0.

pkg/analyzer/test/src/summary/linker_test.dart

 // Copyright (c) 2016, 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.
 
 import 'package:analyzer/dart/element/type.dart';
 import 'package:analyzer/src/dart/element/element.dart';
 import 'package:analyzer/src/summary/format.dart';
 import 'package:analyzer/src/summary/idl.dart';
 import 'package:analyzer/src/summary/link.dart';
+import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
-import 'package:unittest/unittest.dart';
 
 import 'summarize_ast_test.dart';
 
 main() {
-  groupSep = ' | ';
-  defineReflectiveTests(LinkerUnitTest);
+  defineReflectiveSuite(() {
+    defineReflectiveTests(LinkerUnitTest);
+  });
 }
 
 @reflectiveTest
 class LinkerUnitTest extends SummaryLinkerTest {
   Linker linker;
 
   LinkerInputs linkerInputs;
   LibraryElementInBuildUnit _testLibrary;
   @override
   bool get allowMissingFiles => false;
@@ skipping 922 matching lines @@
    */
   EntityRef _lookupInferredType(LinkedUnit unit, int slot) {
     for (EntityRef ref in unit.types) {
       if (ref.slot == slot) {
         return ref;
       }
     }
     return null;
   }
 }