Pull in test_reflective_loader 0.0.4 and switch analyzer to it.

pkg/analyzer/test/src/summary/prelinker_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.
 
 library analyzer.test.src.summary.prelinker_test;
 
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/src/generated/source.dart';
 import 'package:analyzer/src/generated/source_io.dart';
 import 'package:analyzer/src/summary/idl.dart';
 import 'package:analyzer/src/summary/prelink.dart';
+import 'package:test_reflective_loader/test_reflective_loader.dart';
 import 'package:unittest/unittest.dart';
 
-import '../../reflective_tests.dart';
 import 'summarize_elements_test.dart';
 import 'summary_common.dart';
 
 main() {
   groupSep = ' | ';
-  runReflectiveTests(PrelinkerTest);
+  defineReflectiveTests(PrelinkerTest);
 }
 
 /**
  * Override of [SummaryTest] which verifies the correctness of the prelinker by
  * creating summaries from the element model, discarding their prelinked
  * information, and then recreating it using the prelinker.
  */
 @reflectiveTest
 class PrelinkerTest extends SummarizeElementsTest {
   final Map<String, UnlinkedPublicNamespace> uriToPublicNamespace =
@@ skipping 37 matching lines @@
     }
     UnlinkedUnit getPart(String relativeUri) {
       String absoluteUri = resolveToAbsoluteUri(library, relativeUri);
       UnlinkedUnit unit = uriToUnit[absoluteUri];
       if (unit == null) {
         fail('Prelinker unexpectedly requested unit for "$relativeUri"'
             ' (resolves to "$absoluteUri").');
       }
       return unit;
     }
+
     UnlinkedPublicNamespace getImport(String relativeUri) {
       String absoluteUri = resolveToAbsoluteUri(library, relativeUri);
       UnlinkedPublicNamespace namespace = SerializedMockSdk
           .instance.uriToUnlinkedUnit[absoluteUri]?.publicNamespace;
       if (namespace == null) {
         namespace = uriToPublicNamespace[absoluteUri];
       }
       if (namespace == null && !allowMissingFiles) {
         fail('Prelinker unexpectedly requested namespace for "$relativeUri"'
             ' (resolves to "$absoluteUri").'
             '  Namespaces available: ${uriToPublicNamespace.keys}');
       }
       return namespace;
     }
+
     linked = new LinkedLibrary.fromBuffer(
         prelink(unlinkedUnits[0], getPart, getImport).toBuffer());
     validateLinkedLibrary(linked);
   }
 }