Fixed bug in TestMenuItem click method.
If an intent is associated with the menu and there is no menuItemClickListener the intent should be called.

Please see the android documentation for evidence:
http://developer.android.com/reference/android/view/MenuItem.html#setIntent(android.content.Intent)
diff --git a/src/main/java/com/xtremelabs/robolectric/tester/android/view/TestMenuItem.java b/src/main/java/com/xtremelabs/robolectric/tester/android/view/TestMenuItem.java
index 0248991..f09de98 100644
--- a/src/main/java/com/xtremelabs/robolectric/tester/android/view/TestMenuItem.java
+++ b/src/main/java/com/xtremelabs/robolectric/tester/android/view/TestMenuItem.java
@@ -1,5 +1,8 @@
 package com.xtremelabs.robolectric.tester.android.view;
 
+import com.xtremelabs.robolectric.Robolectric;
+
+import android.app.Application;
 import android.content.Intent;
 import android.graphics.drawable.Drawable;
 import android.view.ContextMenu;
@@ -156,6 +159,8 @@
     public void click() {
         if (enabled && menuItemClickListener != null) {
             menuItemClickListener.onMenuItemClick(this);
+        } else if (enabled && intent != null) {
+        	Robolectric.application.startActivity(intent);
         }
     }
 }
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