assertTrue("Item should be expanded", item.isExpanded());
// open a file in editor
item = myRepoViewUtil.getWorkdirItem(tree, repositoryFile).expand();
SWTBotTreeItem fileiItem = item.getNode(PROJ1).expand().getNode(FOLDER)
.expand().getNode(FILE1).select();
fileiItem.doubleClick();
assertTrue(bot.activeEditor().getTitle().equals(FILE1));
bot.activeEditor().close();
// open a branch (checkout)
checkoutWithDoubleClick(tree, "master");
String contentMaster = getTestFileContent();