Revert "Fix observatory tests broken by running dartfmt."

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();
 
-    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'));
+(Isolate isolate) async {
+  Library root = await isolate.rootLibrary.load();
 
-    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 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'));
 
-    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'));
-  },
+  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'));
+},
+
 ];
 
 main(args) => runIsolateTests(args, tests);