@org.junit.Test
 public void testClear() throws Exception {
   storage.clear();
   Assert.assertEquals(0, storage.size());
 }
 @org.junit.Test
 public void testDelete() throws Exception {
   storage.delete(R1.getUuid());
   Assert.assertEquals(2, storage.size());
 }
 @org.junit.Test
 public void testSize() throws Exception {
   Assert.assertEquals(3, storage.size());
 }
 private void assertSize(int size) {
   assertEquals(size, storage.size());
 }