dart2js: run dartfmt on tests

tests/compiler/dart2js_extra/inferrer_is_int_test.dart

Index: tests/compiler/dart2js_extra/inferrer_is_int_test.dart
diff --git a/tests/compiler/dart2js_extra/inferrer_is_int_test.dart b/tests/compiler/dart2js_extra/inferrer_is_int_test.dart
index 6aecf394cd97850c0678fc11759057379bf89e99..445986e676c310961ee98e048006f376a9ff5728 100644
--- a/tests/compiler/dart2js_extra/inferrer_is_int_test.dart
+++ b/tests/compiler/dart2js_extra/inferrer_is_int_test.dart
@@ -11,20 +11,20 @@ import '../../language/compiler_annotations.dart';
 @DontInline()
 callWithStringAndDouble(value) {
   () => 42;
-  if (value is !int) throw new ArgumentError(value);
+  if (value is! int) throw new ArgumentError(value);
   return 42;
 }
 
 @DontInline()
 callWithDouble(value) {
   () => 42;
-  if (value is !int) throw new ArgumentError(value);
+  if (value is! int) throw new ArgumentError(value);
   return 42;
 }
 
 main() {
-  Expect.throws(() => callWithStringAndDouble('foo'),
-                (e) => e is ArgumentError);
+  Expect.throws(
+      () => callWithStringAndDouble('foo'), (e) => e is ArgumentError);
   Expect.equals(42, callWithStringAndDouble(0.0));
   Expect.equals(42, callWithDouble(0.0));
 }