dart2js: run dartfmt on tests

tests/compiler/dart2js/constant_value_test.dart

Index: tests/compiler/dart2js/constant_value_test.dart
diff --git a/tests/compiler/dart2js/constant_value_test.dart b/tests/compiler/dart2js/constant_value_test.dart
index 5c5bec689f3a124ee0fa5dfd7d3ceed6c4910f10..1558032ab8ba85175c064b788bff363920aefffb 100644
--- a/tests/compiler/dart2js/constant_value_test.dart
+++ b/tests/compiler/dart2js/constant_value_test.dart
@@ -26,14 +26,10 @@ void main() {
     ClassElement C = env.getElement('C');
     FieldElement field1 = C.lookupLocalMember('field1');
     FieldElement field2 = C.lookupLocalMember('field2');
-    ConstantValue value1 = new ConstructedConstantValue(C.rawType, {
-      field1: new IntConstantValue(0),
-      field2: new IntConstantValue(1),
-    });
-    ConstantValue value2 = new ConstructedConstantValue(C.rawType, {
-      field2: new IntConstantValue(1),
-      field1: new IntConstantValue(0),
-    });
+    ConstantValue value1 = new ConstructedConstantValue(C.rawType,
+        {field1: new IntConstantValue(0), field2: new IntConstantValue(1),});
+    ConstantValue value2 = new ConstructedConstantValue(C.rawType,
+        {field2: new IntConstantValue(1), field1: new IntConstantValue(0),});
     Expect.equals(value1.hashCode, value2.hashCode, "Hashcode mismatch.");
     Expect.equals(value1, value2, "Value mismatch.");
   });