remove dependencies to analyzer from lib/src/fasta

pkg/front_end/lib/src/fasta/testing/environment_variable.dart

Index: pkg/front_end/lib/src/fasta/testing/environment_variable.dart
diff --git a/pkg/front_end/lib/src/fasta/environment_variable.dart b/pkg/front_end/lib/src/fasta/testing/environment_variable.dart
similarity index 95%
rename from pkg/front_end/lib/src/fasta/environment_variable.dart
rename to pkg/front_end/lib/src/fasta/testing/environment_variable.dart
index dfd2dc66e8e339affd1af25790c6144c537b517c..2655a11b8630aba702672d076ab38c68288566d2 100644
--- a/pkg/front_end/lib/src/fasta/environment_variable.dart
+++ b/pkg/front_end/lib/src/fasta/testing/environment_variable.dart
@@ -2,13 +2,13 @@
 // 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 fasta.environment_variable;
+library fasta.testing.environment_variable;
 
 import 'dart:async' show Future;
 
 import 'dart:io' show Directory, File, Platform;
 
-import 'errors.dart' show inputError;
+import '../errors.dart' show inputError;
 
 class EnvironmentVariable {
   final String name;