verify( view ).setRootItem( treeItem );
ArgumentCaptor<AssetViewerPlace> assetViewerPlaceArgumentCaptor = ArgumentCaptor.forClass( AssetViewerPlace.class );
verify( view ).setRootUserObject( assetViewerPlaceArgumentCaptor.capture() );
AssetViewerPlace assetViewerPlace = assetViewerPlaceArgumentCaptor.getValue();
assertEquals( "mockUuid", assetViewerPlace.getUuid() );
}