VersionManager versionManager = versionableNode.getSession().getWorkspace().getVersionManager();
String path = versionableNode.getPath();
version = versionManager.checkin(path);
versionManager.checkout(path);
version2 = versionManager.checkin(path);
versionManager.checkout(path);
rootVersion = versionManager.getVersionHistory(path).getRootVersion();
// build a second versionable node below the testroot
try {
versionableNode2 = createVersionableNode(testRootNode, nodeName2, versionableNodeType);