[inspector] Refactor protocol-test.js

test/inspector/debugger/suspended-generator-scopes.js

Index: test/inspector/debugger/suspended-generator-scopes.js
diff --git a/test/inspector/debugger/suspended-generator-scopes.js b/test/inspector/debugger/suspended-generator-scopes.js
index edce5951ffc7bf39f01ce0d463ee1721e1f8fc33..f7d389072ad7b411d915c5f8daad6f2ce280684b 100644
--- a/test/inspector/debugger/suspended-generator-scopes.js
+++ b/test/inspector/debugger/suspended-generator-scopes.js
@@ -2,7 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-InspectorTest.addScript(
+let {session, contextGroup, Protocol} = InspectorTest.start('Tests that suspended generators produce scopes');
+
+contextGroup.addScript(
 `function *gen(a) {
   var b = 42;
   yield a;