Pull in test_reflective_loader 0.0.4 and switch analyzer to it.

pkg/analyzer/test/generated/static_warning_code_test.dart

Index: pkg/analyzer/test/generated/static_warning_code_test.dart
diff --git a/pkg/analyzer/test/generated/static_warning_code_test.dart b/pkg/analyzer/test/generated/static_warning_code_test.dart
index 21c37786dfe3899cc4de506d16c6a77dc4d562e6..1f5b54dcc47bcf28d2a42e42dccb73b13c8453ba 100644
--- a/pkg/analyzer/test/generated/static_warning_code_test.dart
+++ b/pkg/analyzer/test/generated/static_warning_code_test.dart
@@ -7,15 +7,15 @@ library analyzer.test.generated.static_warning_code_test;
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/error.dart';
 import 'package:analyzer/src/generated/source_io.dart';
+import 'package:test_reflective_loader/test_reflective_loader.dart';
 import 'package:unittest/unittest.dart';
 
-import '../reflective_tests.dart';
 import '../utils.dart';
 import 'resolver_test_case.dart';
 
 main() {
   initializeTestEnvironment();
-  runReflectiveTests(StaticWarningCodeTest);
+  defineReflectiveTests(StaticWarningCodeTest);
 }
 
 @reflectiveTest
@@ -3527,12 +3527,6 @@ f(var l) {
     assertErrors(source, [StaticWarningCode.UNDEFINED_IDENTIFIER]);
   }
 
-  void test_undefinedIdentifierAwait_function() {
-    Source source = addSource("void a() { await; }");
-    computeLibrarySourceErrors(source);
-    assertErrors(source, [StaticWarningCode.UNDEFINED_IDENTIFIER_AWAIT]);
-  }
-
   void test_undefinedIdentifier_importCore_withShow() {
     Source source = addSource(r'''
 import 'dart:core' show List;
@@ -3594,6 +3588,12 @@ class B extends A {
     assertErrors(source, [StaticWarningCode.UNDEFINED_IDENTIFIER]);
   }
 
+  void test_undefinedIdentifierAwait_function() {
+    Source source = addSource("void a() { await; }");
+    computeLibrarySourceErrors(source);
+    assertErrors(source, [StaticWarningCode.UNDEFINED_IDENTIFIER_AWAIT]);
+  }
+
   void test_undefinedNamedParameter() {
     Source source = addSource(r'''
 f({a, b}) {}