@RandomlyFails // FSException: Invalid lock (from flush)
public void testRemoveNode() throws BackingStoreException {
assertNull(storage.toFolder());
assertNull(storage.toPropertiesFile());
pref.put("key", "value");
pref.node("subnode").put("key", "value");
pref.flush();
assertNotNull(storage.toPropertiesFile());
assertNotNull(storage.toFolder());
pref.removeNode();
pref.flush();
assertNull(storage.toPropertiesFile());
assertNull(storage.toFolder());
assertFalse(storage.existsNode());
pref.sync();
}
