Format all tests.

tests/lib_strong/html/hidden_dom_1_test.dart

Index: tests/lib_strong/html/hidden_dom_1_test.dart
diff --git a/tests/lib_strong/html/hidden_dom_1_test.dart b/tests/lib_strong/html/hidden_dom_1_test.dart
index a1c5dc358fd8f0da3db56e51e0b411488f9678d8..9334b5e8054e34665c17bcf34000f2a47d7d5b52 100644
--- a/tests/lib_strong/html/hidden_dom_1_test.dart
+++ b/tests/lib_strong/html/hidden_dom_1_test.dart
@@ -14,16 +14,19 @@ Hello World!
     Element e = document.query('#div1');
     expect(e, isNotNull);
 
-    expect(() { confuse(e).onfocus = null; }, throwsNoSuchMethodError);
+    expect(() {
+      confuse(e).onfocus = null;
+    }, throwsNoSuchMethodError);
   });
-
 }
 
 class Decoy {
-  void set onfocus(x) { throw 'dead code'; }
+  void set onfocus(x) {
+    throw 'dead code';
+  }
 }
 
 confuse(x) => opaqueTrue() ? x : (opaqueTrue() ? new Object() : new Decoy());
 
 /** Returns `true`, but in a way that confuses the compiler. */
-opaqueTrue() => true;  // Expand as needed.
+opaqueTrue() => true; // Expand as needed.