test rename overhaul: step 12 - standalone

tests/standalone/io/process_environment_test.dart

Index: tests/standalone/io/process_environment_test.dart
diff --git a/tests/standalone/src/io/ProcessEnvironmentTest.dart b/tests/standalone/io/process_environment_test.dart
similarity index 95%
rename from tests/standalone/src/io/ProcessEnvironmentTest.dart
rename to tests/standalone/io/process_environment_test.dart
index e267f66089eae812f30632dcac404c75bfbefd54..c64340ed2cb102f98104dbc9fd01d09da821f531 100644
--- a/tests/standalone/src/io/ProcessEnvironmentTest.dart
+++ b/tests/standalone/io/process_environment_test.dart
@@ -4,13 +4,13 @@
 
 #import('dart:io');
 #import('dart:isolate');
-#source('ProcessTestUtil.dart');
+#source('process_test_util.dart');
 
 runEnvironmentProcess(Map environment, name, callback) {
   var dartExecutable = getDartFileName();
   var options = new ProcessOptions();
   options.environment = environment;
-  var printEnv = 'tests/standalone/src/io/PrintEnv.dart';
+  var printEnv = 'tests/standalone/io/print_env.dart';
   if (!new File(printEnv).existsSync()) {
     printEnv = '../$printEnv';
   }