@Test public void testSetAllUsers() { users.addUser(user1); Map<String, CredentialedUser> newUsers = new HashMap<String, CredentialedUser>(); newUsers.put(user2.getEmail(), user2); newUsers.put(user3.getEmail(), user3); users.setAllUsers(newUsers); Map<String, CredentialedUser> setUsers = users.getAllUsers(); Assert.assertEquals(2, setUsers.size()); Assert.assertFalse(setUsers.containsKey(user1.getEmail())); Assert.assertTrue(setUsers.containsKey(user2.getEmail())); Assert.assertTrue(setUsers.containsKey(user3.getEmail())); }