fix accessing real example.com in test cases (#252)

duo_client/admin.py

@@ -3530,16 +3530,19 @@ def __init__(self, account_id, child_api_host=None, **kwargs):
             if child_api_host is None:
                 child_api_host = kwargs.get('host')
                 try:
-                    accounts_api = Accounts(**kwargs)
-                    accounts_api.get_child_accounts()
-                    child_api_host =  Accounts.child_map.get(account_id, kwargs['host'])
+                    child_api_host =  self.get_child_api_host(account_id, **kwargs)
                 except RuntimeError:
                     pass
         kwargs['host'] = child_api_host
 
         super(AccountAdmin, self).__init__(**kwargs)
         self.account_id = account_id
 
+    def get_child_api_host(self, account_id, **kwargs):
+        accounts_api = Accounts(**kwargs)
+        accounts_api.get_child_accounts()
+        return Accounts.child_map.get(account_id, kwargs['host'])
+
     def get_edition(self):
         """
         Returns the edition of the account {

tests/accountAdmin/base.py

@@ -1,14 +1,23 @@
 import unittest
+from unittest.mock import patch
 from .. import util
 import duo_client.admin
 
 
 class TestAccountAdmin(unittest.TestCase):
 
     def setUp(self):
-        kwargs = {'ikey': 'test_ikey', 'skey': 'test_skey', 'host': 'example.com', 'child_api_host': 'example2.com'}
+        child_host = 'example2.com'
+        kwargs = {'ikey': 'test_ikey', 'skey': 'test_skey', 'host': 'example.com'}
+
+        patcher = patch("duo_client.admin.AccountAdmin.get_child_api_host")
+        self.mock_child_host = patcher.start()
+        self.mock_child_host.return_value = child_host
+        self.addCleanup(patcher.stop)
+
         self.client = duo_client.admin.AccountAdmin(
             'DA012345678901234567', **kwargs)
+
         # monkeypatch client's _connect()
         self.client._connect = lambda: util.MockHTTPConnection()