dart2js: run dartfmt on tests

tests/compiler/dart2js_extra/closure_capture2_test.dart

Index: tests/compiler/dart2js_extra/closure_capture2_test.dart
diff --git a/tests/compiler/dart2js_extra/closure_capture2_test.dart b/tests/compiler/dart2js_extra/closure_capture2_test.dart
index b49bf983e5d938193b846300bf9921c89f8e3dec..4d22b1084674ad98c374baaba96ac8c10950aa71 100644
--- a/tests/compiler/dart2js_extra/closure_capture2_test.dart
+++ b/tests/compiler/dart2js_extra/closure_capture2_test.dart
@@ -11,12 +11,16 @@ closure0() {
   var g;
   {
     var x = 499;
-    f = () { return x; };
+    f = () {
+      return x;
+    };
     x++;
   }
   {
     var x = 42;
-    g = () { return x; };
+    g = () {
+      return x;
+    };
     x++;
   }
   Expect.equals(500, f());
@@ -27,7 +31,9 @@ closure1() {
   // f captures variable $0 which once could yield to troubles with HForeign if
   // we did not mangle correctly.
   var $1 = 499;
-  var f = () { return $1; };
+  var f = () {
+    return $1;
+  };
   $1++;
   Expect.equals(500, f());
 }