Format all tests.

tests/standalone/io/process_set_exit_code_test.dart

Index: tests/standalone/io/process_set_exit_code_test.dart
diff --git a/tests/standalone/io/process_set_exit_code_test.dart b/tests/standalone/io/process_set_exit_code_test.dart
index 64182c110b14f65053fe75a2dd7e360c862adca1..7e3e7831e204fc29dbe04cc9af7c4634ab03d0e0 100644
--- a/tests/standalone/io/process_set_exit_code_test.dart
+++ b/tests/standalone/io/process_set_exit_code_test.dart
@@ -14,9 +14,8 @@ import "dart:io";
 
 main() {
   var executable = Platform.executable;
-  var exitCodeScript = Platform.script
-                               .resolve('process_set_exit_code_script.dart')
-                               .toFilePath();
+  var exitCodeScript =
+      Platform.script.resolve('process_set_exit_code_script.dart').toFilePath();
   Process.run(executable, [exitCodeScript]).then((result) {
     Expect.equals("standard out", result.stdout);
     Expect.equals("standard error", result.stderr);