Remove 'initializeTestEnvironment' from 'analysis_server'.

pkg/analysis_server/test/src/utilities/test_all.dart

Index: pkg/analysis_server/test/src/utilities/test_all.dart
diff --git a/pkg/analysis_server/test/src/utilities/test_all.dart b/pkg/analysis_server/test/src/utilities/test_all.dart
index 639e0f69ae8ff7b0fb4e3e5b52f93419ec0a969b..b60e72d22cbeb3f865124952d4990805bafc3f90 100644
--- a/pkg/analysis_server/test/src/utilities/test_all.dart
+++ b/pkg/analysis_server/test/src/utilities/test_all.dart
@@ -6,13 +6,11 @@ library test.services;
 
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
-import '../../utils.dart';
 import 'change_builder_core_test.dart' as change_builder_core_test;
 import 'change_builder_dart_test.dart' as change_builder_dart_test;
 
 /// Utility for manually running all tests.
 main() {
-  initializeTestEnvironment();
   defineReflectiveSuite(() {
     change_builder_core_test.main();
     change_builder_dart_test.main();