dart2js: run dartfmt on tests

tests/compiler/dart2js/simple_inferrer_callers_test.dart

Index: tests/compiler/dart2js/simple_inferrer_callers_test.dart
diff --git a/tests/compiler/dart2js/simple_inferrer_callers_test.dart b/tests/compiler/dart2js/simple_inferrer_callers_test.dart
index b4f4c2a9e76570ce1766f3069a0d8922abaf9271..85b537e24254e871ffc1fd12e93c89ba7e3d4ab7 100644
--- a/tests/compiler/dart2js/simple_inferrer_callers_test.dart
+++ b/tests/compiler/dart2js/simple_inferrer_callers_test.dart
@@ -39,13 +39,13 @@ void main() {
   var inferrer = new MyInferrer(compiler, compiler.commonMasks);
   compiler.globalInference.typesInferrer = inferrer;
   asyncTest(() => compiler.run(uri).then((_) {
-    var mainElement = findElement(compiler, 'main');
-    var classA = findElement(compiler, 'A');
-    var fieldA = classA.lookupLocalMember('field');
-    var classB = findElement(compiler, 'B');
-    var fieldB = classB.lookupLocalMember('field');
-
-    Expect.isTrue(inferrer.getCallersOf(fieldA).contains(mainElement));
-    Expect.isTrue(inferrer.getCallersOf(fieldB).contains(mainElement));
-  }));
+        var mainElement = findElement(compiler, 'main');
+        var classA = findElement(compiler, 'A');
+        var fieldA = classA.lookupLocalMember('field');
+        var classB = findElement(compiler, 'B');
+        var fieldB = classB.lookupLocalMember('field');
+
+        Expect.isTrue(inferrer.getCallersOf(fieldA).contains(mainElement));
+        Expect.isTrue(inferrer.getCallersOf(fieldB).contains(mainElement));
+      }));
 }