Format all tests.

tests/lib_strong/html/localstorage_test.dart

Index: tests/lib_strong/html/localstorage_test.dart
diff --git a/tests/lib_strong/html/localstorage_test.dart b/tests/lib_strong/html/localstorage_test.dart
index 2ed126ec93e235553abaa24d2876bea32d1057ac..58cf609a92f45c7f29167f7b2559802559029f4f 100644
--- a/tests/lib_strong/html/localstorage_test.dart
+++ b/tests/lib_strong/html/localstorage_test.dart
@@ -53,11 +53,12 @@ main() {
     expect(window.localStorage['key4'], 'val4');
 
     expect(window.localStorage['key3'], 'val3');
-    expect(window.localStorage.putIfAbsent('key3',
-        () {
+    expect(
+        window.localStorage.putIfAbsent('key3', () {
           fail('should not be called');
           return 'unused';
-        }), 'val3');
+        }),
+        'val3');
     expect(window.localStorage['key3'], 'val3');
   });