[inspector] Refactor protocol-test.js

test/inspector/debugger/wasm-stack.js

Index: test/inspector/debugger/wasm-stack.js
diff --git a/test/inspector/debugger/wasm-stack.js b/test/inspector/debugger/wasm-stack.js
index 45ab6097f7619f6b21918bbd0209247c0ef5cb1e..2603c3178486cf6b841dfa2ed87a617aa967047d 100644
--- a/test/inspector/debugger/wasm-stack.js
+++ b/test/inspector/debugger/wasm-stack.js
@@ -4,6 +4,8 @@
 
 // Flags: --expose-wasm
 
+let {session, contextGroup, Protocol} = InspectorTest.start('Tests call stack in wasm scripts');
+
 utils.load('test/mjsunit/wasm/wasm-constants.js');
 utils.load('test/mjsunit/wasm/wasm-module-builder.js');
 
@@ -40,7 +42,7 @@ function testFunction(bytes) {
   instance.exports.main();
 }
 
-InspectorTest.addScript(testFunction.toString());
+contextGroup.addScript(testFunction.toString());
 
 Protocol.Debugger.enable();
 Protocol.Debugger.onPaused(handleDebuggerPaused);