diff --git a/integration-tests/test_register.py b/integration-tests/test_register.py
index d41d058e5..d1fd50b1c 100644
--- a/integration-tests/test_register.py
+++ b/integration-tests/test_register.py
@@ -5,7 +5,7 @@
 from conftest import RHSMPrivateBus
 from constants import RHSM, RHSM_REGISTER_SERVER, RHSM_REGISTER
 from dasbus.error import DBusError
-from dasbus.typing import get_variant, Str, get_native
+from dasbus.typing import get_variant, Str, get_native, List
 
 import sh
 import subprocess
@@ -16,7 +16,7 @@
 from dataclasses import dataclass
 from functools import reduce
 import json
-from funcy import first
+from funcy import first, partial
 
 logger = logging.getLogger(__name__)
 
@@ -105,7 +105,7 @@ def test_register_with_wrong_values(external_candlepin, subman, test_config, sub
                                        {},
                                        locale)
             logger.debug(f"raised exception: {excinfo}")
-            assert "Invalid username or password." in str(excinfo.value)
+            assert "Invalid Credentials" in str(excinfo.value)
             assert not subman.is_registered
             
         with subtests.test(msg="Register with wrong password"):
@@ -117,7 +117,7 @@ def test_register_with_wrong_values(external_candlepin, subman, test_config, sub
                                        {},
                                        locale)
             logger.debug(f"raised exception: {excinfo}")
-            assert "Invalid username or password." in str(excinfo.value)
+            assert "Invalid Credentials" in str(excinfo.value)
             assert not subman.is_registered
             
         with subtests.test(msg="Register with wrong organization"):
@@ -243,10 +243,62 @@ def test_register_with_activation_keys(external_candlepin, subman, test_config):
                                                                        {},
                                                                        {},
                                                                        locale))
-
+        
         assert 'activationKeys' in response,\
             "DBus method returns what activation keys were used to register a system"
-
+        
+        logger.debug(response['activationKeys'])
         assert sorted([ii['activationKeyName'] for ii in response['activationKeys']]) == sorted(act_keynames)
                    
     assert subman.is_registered
+
+def test_register_with_activation_keys_and_environments(external_candlepin, subman, test_config): 
+    """
+    https://www.candlepinproject.org/docs/subscription-manager/dbus_objects.html#methods-6
+    """
+    candlepin_config = partial(test_config.get,"candlepin")
+    
+    assert not subman.is_registered
+    proxy = RHSM.get_proxy(RHSM_REGISTER_SERVER)
+    act_keynames = candlepin_config("activation_keys")
+    with RHSMPrivateBus(proxy) as private_bus:
+        private_proxy = private_bus.get_proxy(RHSM.service_name,
+                                              RHSM_REGISTER.object_path)
+        locale = os.environ.get("LANG", "")
+        response = json.loads(private_proxy.RegisterWithActivationKeys(candlepin_config("org"),
+                                                                       act_keynames,
+                                                                       {"environments":get_variant(Str, first(candlepin_config("environment","ids")))},
+                                                                       {},
+                                                                       locale))
+        
+        assert 'activationKeys' in response,\
+            "DBus method returns what activation keys were used to register a system"
+        
+        logger.debug(response['activationKeys'])
+        assert sorted([ii['activationKeyName'] for ii in response['activationKeys']]) == sorted(act_keynames)
+        
+        subman_response = subman.run("identity")
+        """
+        (env) [root@kvm-08-guest21 integration-tests]# subscription-manager identity                                                                                                                                                                  
+        system identity: 5c00d2c6-5bea-4b6d-8662-8680e38f0dab                                                                                                                                                                                         
+        name: kvm-08-guest21.lab.eng.rdu2.dc.redhat.com                                                                                                                                                                                               
+        org name: Donald Duck
+        org ID: donaldduck
+        environment name: env-name-01    
+        """
+        def read_pair(line):
+            result = re.search(r"^([^:]+):(.*)",line.strip())
+            if result:
+                pair = [g.strip() for g in result.groups()]
+                return pair
+            return []
+        
+        pairs = dict([read_pair(line) for line in subman_response.stdout.splitlines()])
+        logger.debug(pairs)
+        
+        assert "environment name" in pairs
+        assert pairs["environment name"] == first(candlepin_config("environment","names"))
+        
+
+    assert subman.is_registered
+