Refactor service tests in preparation of running on sky_shell

runtime/observatory/tests/service/get_allocation_samples_test.dart

Index: runtime/observatory/tests/service/get_allocation_samples_test.dart
diff --git a/runtime/observatory/tests/service/get_allocation_samples_test.dart b/runtime/observatory/tests/service/get_allocation_samples_test.dart
index 19d8a86872644ac94502e496ab0a48622f407a45..87615c9f3cd207ff7a9229bbc014deb7b118f1a5 100644
--- a/runtime/observatory/tests/service/get_allocation_samples_test.dart
+++ b/runtime/observatory/tests/service/get_allocation_samples_test.dart
@@ -7,7 +7,7 @@ import 'dart:developer';
 import 'package:observatory/service_io.dart';
 import 'package:observatory/cpu_profile.dart';
 import 'package:unittest/unittest.dart';
-
+import 'service_test_common.dart';
 import 'test_helper.dart';
 
 class Foo {
@@ -67,8 +67,7 @@ var tests = [
     var tree = cpuProfile.loadCodeTree('exclusive');
     var node = tree.root;
     var expected =
-        ['Root', 'test', 'test', '_Closure.call',
-         'runIsolateTests.<runIsolateTests_async_body>'];
+        ['Root', 'test', 'test', '_Closure.call'];
     for (var i = 0; i < expected.length; i++) {
       expect(node.profileCode.code.name, equals(expected[i]));
       // Depth first traversal.