[inspector] Refactor inspector test

test/inspector/debugger/step-over-another-context-group.js

 // Copyright 2017 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 InspectorTest.log('Checks stepping with more then one context group.');
 
 (async function test() {
   InspectorTest.setupScriptMap();
   await Protocol.Debugger.enable();
-  let contextGroupId = utils.createContextGroup();
-  await Protocol.Debugger.enable({}, contextGroupId);
+  let contextGroup = InspectorTest.createContextGroup();
+  let session = InspectorTest.createSession(contextGroup);
+  InspectorTest.setupScriptMap(session);
+  await session.Protocol.Debugger.enable({});
   Protocol.Runtime.evaluate({expression: 'debugger'});
-  Protocol.Runtime.evaluate({expression: 'setTimeout(() => { debugger }, 0)'}, contextGroupId);
+  session.Protocol.Runtime.evaluate({expression: 'setTimeout(() => { debugger }, 0)'});
   Protocol.Runtime.evaluate({expression: 'setTimeout(() => 42, 0)'});
-  await waitPauseAndDumpLocation();
+  await waitPauseAndDumpLocation(InspectorTest.session);
   Protocol.Debugger.stepOver();
   await Protocol.Debugger.oncePaused();
   Protocol.Debugger.stepOver();
-  await waitPauseAndDumpLocation();
-  await Protocol.Debugger.disable({}, contextGroupId);
+  await waitPauseAndDumpLocation(InspectorTest.session);
+  await session.Protocol.Debugger.disable({});
   await Protocol.Debugger.disable();
   InspectorTest.completeTest();
 })();
 
-async function waitPauseAndDumpLocation() {
-  var message = await Protocol.Debugger.oncePaused();
+async function waitPauseAndDumpLocation(session) {
+  var message = await session.Protocol.Debugger.oncePaused();
   InspectorTest.log('paused at:');
-  await InspectorTest.logSourceLocation(message.params.callFrames[0].location);
+  await InspectorTest.logSourceLocation(message.params.callFrames[0].location, session);
   return message;
 }