@Test
public void testOpen() throws Exception {
// expand first level
SWTBotTree tree = getOrOpenView().bot().tree();
SWTBotTreeItem item = myRepoViewUtil.getRootItem(tree, repositoryFile);
item.collapse();
refreshAndWait();
item = myRepoViewUtil.getRootItem(tree, repositoryFile);
assertTrue("Item should not be expanded", !item.isExpanded());
item.doubleClick();
assertTrue("Item should be expanded", item.isExpanded());