TabularData userList = _userManagement.viewUsers();
assertNotNull(userList);
assertEquals("Unexpected number of users in user list", 1, userList.size());
assertTrue(userList.containsKey(new Object[]{TEST_USERNAME}));
// Check the deprecated read, write and admin items continue to exist but return false.
CompositeData userRec = userList.get(new Object[]{TEST_USERNAME});
assertTrue(userRec.containsKey(UserManagement.RIGHTS_READ_ONLY));
assertEquals(false, userRec.get(UserManagement.RIGHTS_READ_ONLY));