Remove 'initializeTestEnvironment' from 'analyzer'.

pkg/analyzer/test/src/util/fast_uri_test.dart

Index: pkg/analyzer/test/src/util/fast_uri_test.dart
diff --git a/pkg/analyzer/test/src/util/fast_uri_test.dart b/pkg/analyzer/test/src/util/fast_uri_test.dart
index 246cb0016ec712c48a0283033ba31f185af2419e..8ed7be6672d87db9e4152185a97fa6071b474f1b 100644
--- a/pkg/analyzer/test/src/util/fast_uri_test.dart
+++ b/pkg/analyzer/test/src/util/fast_uri_test.dart
@@ -8,10 +8,7 @@ import 'package:analyzer/src/util/fast_uri.dart';
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
-import '../../utils.dart';
-
 main() {
-  initializeTestEnvironment();
   defineReflectiveSuite(() {
     defineReflectiveTests(_FastUriTest);
   });