" Button button = new Button();",
" add(button);",
" }",
" }",
"}");
VerticalSplitPanelInfo panel = getJavaInfoByName("panel");
WidgetInfo button = getJavaInfoByName("button");
//
tree.startDrag(button).dragOn(panel).endDrag();
assertEditor(
"// filler filler filler filler filler",