Format all tests.

tests/lib_strong/html/selectelement_test.dart

Index: tests/lib_strong/html/selectelement_test.dart
diff --git a/tests/lib_strong/html/selectelement_test.dart b/tests/lib_strong/html/selectelement_test.dart
index 94a9a29a669fb1fac64331e3aff6e83c22a7bee9..22b19faf4738e848465ab6eec0898e65c58ef356 100644
--- a/tests/lib_strong/html/selectelement_test.dart
+++ b/tests/lib_strong/html/selectelement_test.dart
@@ -55,13 +55,12 @@ main() {
   });
 
   test('optgroup', () {
-    var element = new Element.html(
-      '<select>'
+    var element = new Element.html('<select>'
         '<option>1</option>'
         '<optgroup>'
-          '<option>2</option>'
+        '<option>2</option>'
         '</optgroup>'
-      '</select>') as SelectElement;
+        '</select>') as SelectElement;
 
     expect(element.options.length, 2);
     element.selectedIndex = 1;