[inspector] Refactor protocol-test.js

test/inspector/debugger/scope-skip-variables-with-empty-name.js

Index: test/inspector/debugger/scope-skip-variables-with-empty-name.js
diff --git a/test/inspector/debugger/scope-skip-variables-with-empty-name.js b/test/inspector/debugger/scope-skip-variables-with-empty-name.js
index e2b38d8ec9ac6fde781983aaa568f8c753bd8e2f..72cbeeefcb0b58000a6fa08f40b6e53f6103bfb7 100644
--- a/test/inspector/debugger/scope-skip-variables-with-empty-name.js
+++ b/test/inspector/debugger/scope-skip-variables-with-empty-name.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 scopes do not report variables with empty names');
+
+contextGroup.addScript(
 `function testFunction()
 {
     for (var a of [1]) {