Format all tests.

tests/language/call_test.dart

 // Copyright (c) 2012, 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.
 // VMOptions=--optimization_counter_threshold=10 --no-background_compilation
 
 import "package:expect/expect.dart";
 
 main() {
   bar(a) {
     return a is String;
@@ skipping 13 matching lines @@
     Expect.isTrue(opt_arg.call());
     Expect.isTrue(opt_arg("b"));
     Expect.isTrue(opt_arg.call("b"));
   }
 
   named_arg({x: 11, y: 22}) => "$x$y";
 
   for (var i = 0; i < 20; i++) {
     Expect.equals("1122", named_arg());
     Expect.equals("1122", named_arg.call());
-    Expect.equals("4455", named_arg(y:55, x:44));
-    Expect.equals("4455", named_arg.call(y:55, x:44));
-    Expect.equals("4455", named_arg(x:44, y:55));
-    Expect.equals("4455", named_arg.call(x:44, y:55));
+    Expect.equals("4455", named_arg(y: 55, x: 44));
+    Expect.equals("4455", named_arg.call(y: 55, x: 44));
+    Expect.equals("4455", named_arg(x: 44, y: 55));
+    Expect.equals("4455", named_arg.call(x: 44, y: 55));
   }
 
   Expect.throws(() => bar.call(), (e) => e is NoSuchMethodError);
-  Expect.throws(() => opt_arg.call(x:"p"), (e) => e is NoSuchMethodError);
+  Expect.throws(() => opt_arg.call(x: "p"), (e) => e is NoSuchMethodError);
   Expect.throws(() => named_arg.call("p", "q"), (e) => e is NoSuchMethodError);
 }