assertTrue(mm.containsEntry("1", "value"));
assertFalse(mm.containsEntry("1", "value2"));
txnMap.remove("1", "value2");
assertTrue(mm.containsEntry("1", "value"));
assertFalse(mm.containsEntry("1", "value2"));
context.commitTransaction();
assertTrue(mm.containsEntry("1", "value"));
assertEquals(1, mm.size());
}