Fixed: textField in CPTextFieldTest doens't have a placeholder

Tests/Manual/CPTextFieldEditingStyleTest/AppController.j

@@ -27,6 +27,7 @@
     // It's a useful hook for setting up current UI values, and other things.
 
     // In this case, we want the window from Cib to become our full browser window
+    [textField setPlaceholderString:@"I'm a nice placeholder"];
     [theWindow setFullPlatformWindow:YES];
 }