Format all tests.

tests/standalone/io/stdio_nonblocking_script.dart

Index: tests/standalone/io/stdio_nonblocking_script.dart
diff --git a/tests/standalone/io/stdio_nonblocking_script.dart b/tests/standalone/io/stdio_nonblocking_script.dart
index 773f837cda1abe4acc7a2c32e30f447f77ddee23..fa608c4a9bcb0bdad7f40337adf9606b1d04e55c 100644
--- a/tests/standalone/io/stdio_nonblocking_script.dart
+++ b/tests/standalone/io/stdio_nonblocking_script.dart
@@ -28,7 +28,6 @@ void main(List<String> arguments) {
   stderr.nonBlocking.writeln(new Message('rredts'));
   test(stdout.nonBlocking);
   test(stderr.nonBlocking);
-  Future.wait([stdout.nonBlocking.close(),
-               stderr.nonBlocking.close()])
-      .then((_) => exit(1));
+  Future.wait([stdout.nonBlocking.close(), stderr.nonBlocking.close()]).then(
+      (_) => exit(1));
 }