[inspector] console property should be enumerable

test/inspector/runtime/console-spec.js

Index: test/inspector/runtime/console-spec.js
diff --git a/test/inspector/runtime/console-spec.js b/test/inspector/runtime/console-spec.js
index 6644d29dbe3244ceaaf0abd271b740d2daf466ab..570593661143a6ca7f5812bbe19c53f200d913f8 100644
--- a/test/inspector/runtime/console-spec.js
+++ b/test/inspector/runtime/console-spec.js
@@ -47,5 +47,12 @@ InspectorTest.runAsyncTestSuite([
     let message = await Protocol.Runtime.evaluate({
       expression: 'console.toString()', returnByValue: true})
     InspectorTest.log(message.result.result.value);
+  },
+
+  async function consoleMethodPropertyDescriptor() {
+    let message = await Protocol.Runtime.evaluate({
+      expression: 'Object.getOwnPropertyDescriptor(console, \'log\')',
+      returnByValue: true});
+    InspectorTest.logObject(message.result.result.value);
   }
 ]);