Format all tests.

tests/standalone/io/directory_list_nonexistent_test.dart

Index: tests/standalone/io/directory_list_nonexistent_test.dart
diff --git a/tests/standalone/io/directory_list_nonexistent_test.dart b/tests/standalone/io/directory_list_nonexistent_test.dart
index f33303d49812cab43b2e9f07749f77a58a6fd561..c3e92f1ee69f385c0188719b97cc27696a513e08 100644
--- a/tests/standalone/io/directory_list_nonexistent_test.dart
+++ b/tests/standalone/io/directory_list_nonexistent_test.dart
@@ -17,8 +17,8 @@ void testListNonExistent() {
   Directory.systemTemp.createTemp('dart_directory_list_nonexistent').then((d) {
     d.delete().then((ignore) {
       Expect.throws(() => d.listSync(), (e) => e is FileSystemException);
-      Expect.throws(() => d.listSync(recursive: true),
-                    (e) => e is FileSystemException);
+      Expect.throws(
+          () => d.listSync(recursive: true), (e) => e is FileSystemException);
       asyncEnd();
     });
   });
@@ -38,10 +38,9 @@ void testListTooLongName() {
         buffer.write("/../${subDirName}");
       }
       var long = new Directory("${buffer.toString()}");
-      Expect.throws(() => long.listSync(),
-                    (e) => e is FileSystemException);
+      Expect.throws(() => long.listSync(), (e) => e is FileSystemException);
       Expect.throws(() => long.listSync(recursive: true),
-                    (e) => e is FileSystemException);
+          (e) => e is FileSystemException);
       d.deleteSync(recursive: true);
       asyncEnd();
     });