Format all tests.

tests/isolate/spawn_uri_fail_test.dart

 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // 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.
 
 import "dart:io";
 import "dart:isolate";
 import "package:expect/expect.dart";
 
 main() async {
   var pkgRoot = Uri.parse("file:///no/such/directory/");
@@ skipping 14 matching lines @@
   }
   try {
     var i = await Isolate.spawnUri(Platform.script, [], null,
         packageConfig: pkgConfig, automaticPackageResolution: true);
   } catch (e) {
     print(e);
     Expect.isTrue(e is ArgumentError);
   }
   try {
     var i = await Isolate.spawnUri(Platform.script, [], null,
-        packageRoot: pkgRoot, packageConfig: pkgConfig,
+        packageRoot: pkgRoot,
+        packageConfig: pkgConfig,
         automaticPackageResolution: true);
   } catch (e) {
     print(e);
     Expect.isTrue(e is ArgumentError);
   }
 }