Revert "Fix observatory tests broken by running dartfmt."

runtime/observatory/tests/service/weak_properties_test.dart

 // Copyright (c) 2014, 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.
 // VMOptions=--error_on_bad_type --error_on_bad_override
 
 library vm_references_test;
 
 import 'dart:mirrors';
 import 'package:observatory/service_io.dart';
 import 'package:unittest/unittest.dart';
 import 'test_helper.dart';
 
-class Foo {}
-
-class Bar {}
+class Foo { }
+class Bar { }
 
 var expando;
 var key;
 var value;
 var weak_property;
 
 void script() {
   expando = new Expando('some debug name');
   key = new Foo();
   value = new Bar();
   expando[key] = value;
 
   InstanceMirror expandoMirror = reflect(expando);
   LibraryMirror libcore = expandoMirror.type.owner;
 
-  var entries = expandoMirror
-      .getField(MirrorSystem.getSymbol('_data', libcore))
-      .reflectee;
+  var entries = expandoMirror.getField(MirrorSystem.getSymbol('_data', libcore)).reflectee;
   weak_property = entries.singleWhere((e) => e != null);
   print(weak_property);
 }
 
 var tests = [
+
   (Isolate isolate) async {
     var lib = await isolate.rootLibrary.load();
     Field keyField = lib.variables.singleWhere((v) => v.name == 'key');
     await keyField.load();
     Instance key = keyField.staticValue;
     Field valueField = lib.variables.singleWhere((v) => v.name == 'value');
     await valueField.load();
     Instance value = valueField.staticValue;
-    Field propField =
-        lib.variables.singleWhere((v) => v.name == 'weak_property');
+    Field propField = lib.variables.singleWhere((v) => v.name == 'weak_property');
     await propField.load();
     Instance prop = propField.staticValue;
 
     expect(key.isWeakProperty, isFalse);
     expect(value.isWeakProperty, isFalse);
     expect(prop.isWeakProperty, isTrue);
     expect(prop.key, isNull);
     expect(prop.value, isNull);
     Instance loadedProp = await prop.load();
     // Object ids are not cannonicalized, so we rely on the key and value
     // being the sole instances of their classes to test we got the objects
     // we expect.
     expect(loadedProp.key, isNotNull);
     expect(loadedProp.key.clazz, equals(key.clazz));
     expect(loadedProp.value, isNotNull);
     expect(loadedProp.value.clazz, equals(value.clazz));
   },
+
 ];
 
 main(args) => runIsolateTests(args, tests, testeeBefore: script);