[inspector] Refactor inspector test

test/inspector/debugger/inspector-break-api.js

Index: test/inspector/debugger/inspector-break-api.js
diff --git a/test/inspector/debugger/inspector-break-api.js b/test/inspector/debugger/inspector-break-api.js
index 02f68ba40f20a0821c2c2992c8541ff28659d7e9..178da5b0279e9834f319bbd7807adddbe7f23b24 100644
--- a/test/inspector/debugger/inspector-break-api.js
+++ b/test/inspector/debugger/inspector-break-api.js
@@ -33,17 +33,17 @@ InspectorTest.runTestSuite([
   },
 
   function testSchedulePauseOnNextStatement(next) {
-    utils.schedulePauseOnNextStatement('reason', JSON.stringify({a: 42}));
+    InspectorTest.contextGroup.schedulePauseOnNextStatement('reason', JSON.stringify({a: 42}));
     Protocol.Runtime.evaluate({ expression: 'foo()//# sourceURL=expr1.js'})
       .then(() => Protocol.Runtime.evaluate({
         expression: 'foo()//# sourceURL=expr2.js'}))
-      .then(() => utils.cancelPauseOnNextStatement())
+      .then(() => InspectorTest.contextGroup.cancelPauseOnNextStatement())
       .then(next);
   },
 
   function testCancelPauseOnNextStatement(next) {
-    utils.schedulePauseOnNextStatement('reason', JSON.stringify({a: 42}));
-    utils.cancelPauseOnNextStatement();
+    InspectorTest.contextGroup.schedulePauseOnNextStatement('reason', JSON.stringify({a: 42}));
+    InspectorTest.contextGroup.cancelPauseOnNextStatement();
     Protocol.Runtime.evaluate({ expression: 'foo()'})
       .then(next);
   }