Run dartfmt on all files under runtime.

runtime/observatory/tests/service/eval_internal_class_test.dart

 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 import 'package:observatory/service_io.dart';
 import 'package:unittest/unittest.dart';
 import 'test_helper.dart';
 
 var tests = [
+  (Isolate isolate) async {
+    Library root = await isolate.rootLibrary.load();
 
-(Isolate isolate) async {
-  Library root = await isolate.rootLibrary.load();
+    Class classLibrary = await root.clazz.load();
+    print(classLibrary);
+    var result = await classLibrary.evaluate('3 + 4');
+    print(result);
+    expect(result is DartError, isTrue);
+    expect(result.message, contains('Cannot evaluate'));
 
-  Class classLibrary = await root.clazz.load();
-  print(classLibrary);
-  var result = await classLibrary.evaluate('3 + 4');
-  print(result);
-  expect(result is DartError, isTrue);
-  expect(result.message, contains('Cannot evaluate'));
+    Class classClass = await classLibrary.clazz.load();
+    print(classClass);
+    result = await classClass.evaluate('3 + 4');
+    print(result);
+    expect(result is DartError, isTrue);
+    expect(result.message, contains('Cannot evaluate'));
 
-  Class classClass = await classLibrary.clazz.load();
-  print(classClass);
-  result = await classClass.evaluate('3 + 4');
-  print(result);
-  expect(result is DartError, isTrue);
-  expect(result.message, contains('Cannot evaluate'));
-
-  var someArray = await root.evaluate("new List(2)");
-  print(someArray);
-  expect(someArray is Instance, isTrue);
-  Class classArray = await someArray.clazz.load();
-  print(classArray);
-  result = await classArray.evaluate('3 + 4');
-  print(result);
-  expect(result is Instance, isTrue);
-  expect(result.valueAsString, equals('7'));
-},
-
+    var someArray = await root.evaluate("new List(2)");
+    print(someArray);
+    expect(someArray is Instance, isTrue);
+    Class classArray = await someArray.clazz.load();
+    print(classArray);
+    result = await classArray.evaluate('3 + 4');
+    print(result);
+    expect(result is Instance, isTrue);
+    expect(result.valueAsString, equals('7'));
+  },
 ];
 
 main(args) => runIsolateTests(args, tests);