DevTools: repair WorkerDevToolsSanityTest.InspectSharedWorker browser test

Source/devtools/front_end/main/Tests.js

Index: Source/devtools/front_end/main/Tests.js
diff --git a/Source/devtools/front_end/main/Tests.js b/Source/devtools/front_end/main/Tests.js
index 0b2a1746034df1069a00d42e0d8e39e9e4694848..cbd5ede269c285f5e23a308b02cb1740898a78a4 100644
--- a/Source/devtools/front_end/main/Tests.js
+++ b/Source/devtools/front_end/main/Tests.js
@@ -772,6 +772,7 @@ TestSuite.prototype.evaluateInConsole_ = function(code, callback)
 {
     function innerEvaluate()
     {
+        WebInspector.context.removeFlavorChangeListener(WebInspector.ExecutionContext, showConsoleAndEvaluate, this);
         var consoleView = WebInspector.ConsolePanel._view();
         consoleView._prompt.text = code;
         consoleView._promptElement.dispatchEvent(TestSuite.createKeyEvent("Enter"));
@@ -782,12 +783,16 @@ TestSuite.prototype.evaluateInConsole_ = function(code, callback)
             }.bind(this));
     }
 
+    function showConsoleAndEvaluate()
+    {
+        WebInspector.console.showPromise().then(innerEvaluate.bind(this));
+    }
+
     if (!WebInspector.context.flavor(WebInspector.ExecutionContext)) {
-        WebInspector.context.addFlavorChangeListener(WebInspector.ExecutionContext, innerEvaluate, this);
+        WebInspector.context.addFlavorChangeListener(WebInspector.ExecutionContext, showConsoleAndEvaluate, this);
         return;
     }
-
-    WebInspector.console.showPromise().then(innerEvaluate.bind(this));
+    showConsoleAndEvaluate.call(this);
 };
 
 /**