diff --git a/tempest/common/cred_provider.py b/tempest/common/cred_provider.py
index 461097f..fa80d65 100644
--- a/tempest/common/cred_provider.py
+++ b/tempest/common/cred_provider.py
@@ -98,7 +98,7 @@
 
 @six.add_metaclass(abc.ABCMeta)
 class CredentialProvider(object):
-    def __init__(self, identity_version=None, name=None, password='pass',
+    def __init__(self, identity_version=None, name=None,
                  network_resources=None):
         """A CredentialProvider supplies credentials to test classes.
         :param identity_version If specified it will return credentials of the
@@ -106,12 +106,8 @@
                                 uses auth_version from configuration
         :param name Name of the calling test. Included in provisioned
                     credentials when credentials are provisioned on the fly
-        :param password Used for provisioned credentials when credentials are
-                        provisioned on the fly
         :param network_resources Network resources required for the credentials
         """
-        # TODO(andreaf) name and password are tenant isolation specific, and
-        # could be removed from this abstract class
         self.name = name or "test_creds"
         self.identity_version = identity_version or CONF.identity.auth_version
         if not auth.is_identity_version_supported(self.identity_version):
diff --git a/tempest/common/isolated_creds.py b/tempest/common/isolated_creds.py
index f3dd2e6..5999d70 100644
--- a/tempest/common/isolated_creds.py
+++ b/tempest/common/isolated_creds.py
@@ -136,14 +136,13 @@
 
 class IsolatedCreds(cred_provider.CredentialProvider):
 
-    def __init__(self, identity_version=None, name=None, password='pass',
+    def __init__(self, identity_version=None, name=None,
                  network_resources=None):
-        super(IsolatedCreds, self).__init__(identity_version, name, password,
+        super(IsolatedCreds, self).__init__(identity_version, name,
                                             network_resources)
         self.network_resources = network_resources
         self.isolated_creds = {}
         self.ports = []
-        self.password = password
         self.default_admin_creds = cred_provider.get_configured_credentials(
             'identity_admin', fill_in=True,
             identity_version=self.identity_version)
@@ -193,9 +192,10 @@
             name=project_name, description=project_desc)
 
         username = data_utils.rand_name(root) + suffix
+        user_password = data_utils.rand_password()
         email = data_utils.rand_name(root) + suffix + "@example.com"
         user = self.creds_client.create_user(
-            username, self.password, project, email)
+            username, user_password, project, email)
         if admin:
             self.creds_client.assign_user_role(user, project,
                                                CONF.identity.admin_role)
@@ -206,7 +206,7 @@
         if roles:
             for role in roles:
                 self.creds_client.assign_user_role(user, project, role)
-        creds = self.creds_client.get_credentials(user, project, self.password)
+        creds = self.creds_client.get_credentials(user, project, user_password)
         return cred_provider.TestResources(creds)
 
     def _create_network_resources(self, tenant_id):
diff --git a/tempest/services/identity/v2/json/identity_client.py b/tempest/services/identity/v2/json/identity_client.py
index c5f7338..deb7605 100644
--- a/tempest/services/identity/v2/json/identity_client.py
+++ b/tempest/services/identity/v2/json/identity_client.py
@@ -17,6 +17,7 @@
 
 
 class IdentityClientJSON(service_client.ServiceClient):
+    api_version = "v2.0"
 
     def get_api_description(self):
         """Retrieves info about the v2.0 Identity API"""
diff --git a/tempest/tests/test_tenant_isolation.py b/tempest/tests/test_tenant_isolation.py
index 95008a2..7fcf8d1 100644
--- a/tempest/tests/test_tenant_isolation.py
+++ b/tempest/tests/test_tenant_isolation.py
@@ -139,8 +139,7 @@
     @mock.patch('tempest_lib.common.rest_client.RestClient')
     def test_primary_creds(self, MockRestClient):
         cfg.CONF.set_default('neutron', False, 'service_available')
-        iso_creds = isolated_creds.IsolatedCreds(name='test class',
-                                                 password='fake_password')
+        iso_creds = isolated_creds.IsolatedCreds(name='test class')
         self._mock_assign_user_role()
         self._mock_list_role()
         self._mock_tenant_create('1234', 'fake_prim_tenant')
@@ -155,8 +154,7 @@
     @mock.patch('tempest_lib.common.rest_client.RestClient')
     def test_admin_creds(self, MockRestClient):
         cfg.CONF.set_default('neutron', False, 'service_available')
-        iso_creds = isolated_creds.IsolatedCreds(name='test class',
-                                                 password='fake_password')
+        iso_creds = isolated_creds.IsolatedCreds(name='test class')
         self._mock_list_roles('1234', 'admin')
         self._mock_user_create('1234', 'fake_admin_user')
         self._mock_tenant_create('1234', 'fake_admin_tenant')
@@ -179,8 +177,7 @@
     @mock.patch('tempest_lib.common.rest_client.RestClient')
     def test_role_creds(self, MockRestClient):
         cfg.CONF.set_default('neutron', False, 'service_available')
-        iso_creds = isolated_creds.IsolatedCreds('v2', 'test class',
-                                                 password='fake_password')
+        iso_creds = isolated_creds.IsolatedCreds('v2', 'test class')
         self._mock_list_2_roles()
         self._mock_user_create('1234', 'fake_role_user')
         self._mock_tenant_create('1234', 'fake_role_tenant')
@@ -208,8 +205,7 @@
     @mock.patch('tempest_lib.common.rest_client.RestClient')
     def test_all_cred_cleanup(self, MockRestClient):
         cfg.CONF.set_default('neutron', False, 'service_available')
-        iso_creds = isolated_creds.IsolatedCreds(name='test class',
-                                                 password='fake_password')
+        iso_creds = isolated_creds.IsolatedCreds(name='test class')
         self._mock_assign_user_role()
         self._mock_list_role()
         self._mock_tenant_create('1234', 'fake_prim_tenant')
@@ -249,8 +245,7 @@
     @mock.patch('tempest_lib.common.rest_client.RestClient')
     def test_alt_creds(self, MockRestClient):
         cfg.CONF.set_default('neutron', False, 'service_available')
-        iso_creds = isolated_creds.IsolatedCreds(name='test class',
-                                                 password='fake_password')
+        iso_creds = isolated_creds.IsolatedCreds(name='test class')
         self._mock_assign_user_role()
         self._mock_list_role()
         self._mock_user_create('1234', 'fake_alt_user')
@@ -265,8 +260,7 @@
     @mock.patch('tempest_lib.common.rest_client.RestClient')
     def test_no_network_creation_with_config_set(self, MockRestClient):
         cfg.CONF.set_default('create_isolated_networks', False, group='auth')
-        iso_creds = isolated_creds.IsolatedCreds(name='test class',
-                                                 password='fake_password')
+        iso_creds = isolated_creds.IsolatedCreds(name='test class')
         self._mock_assign_user_role()
         self._mock_list_role()
         self._mock_user_create('1234', 'fake_prim_user')
@@ -294,8 +288,7 @@
 
     @mock.patch('tempest_lib.common.rest_client.RestClient')
     def test_network_creation(self, MockRestClient):
-        iso_creds = isolated_creds.IsolatedCreds(name='test class',
-                                                 password='fake_password')
+        iso_creds = isolated_creds.IsolatedCreds(name='test class')
         self._mock_assign_user_role()
         self._mock_list_role()
         self._mock_user_create('1234', 'fake_prim_user')
@@ -326,8 +319,7 @@
                                          "description": args['name'],
                                          "security_group_rules": [],
                                          "id": "sg-%s" % args['tenant_id']}]}
-        iso_creds = isolated_creds.IsolatedCreds(name='test class',
-                                                 password='fake_password')
+        iso_creds = isolated_creds.IsolatedCreds(name='test class')
         # Create primary tenant and network
         self._mock_assign_user_role()
         self._mock_list_role()
@@ -437,8 +429,7 @@
 
     @mock.patch('tempest_lib.common.rest_client.RestClient')
     def test_network_alt_creation(self, MockRestClient):
-        iso_creds = isolated_creds.IsolatedCreds(name='test class',
-                                                 password='fake_password')
+        iso_creds = isolated_creds.IsolatedCreds(name='test class')
         self._mock_assign_user_role()
         self._mock_list_role()
         self._mock_user_create('1234', 'fake_alt_user')
@@ -463,8 +454,7 @@
 
     @mock.patch('tempest_lib.common.rest_client.RestClient')
     def test_network_admin_creation(self, MockRestClient):
-        iso_creds = isolated_creds.IsolatedCreds(name='test class',
-                                                 password='fake_password')
+        iso_creds = isolated_creds.IsolatedCreds(name='test class')
         self._mock_assign_user_role()
         self._mock_user_create('1234', 'fake_admin_user')
         self._mock_tenant_create('1234', 'fake_admin_tenant')
@@ -496,7 +486,6 @@
             'dhcp': False,
         }
         iso_creds = isolated_creds.IsolatedCreds(name='test class',
-                                                 password='fake_password',
                                                  network_resources=net_dict)
         self._mock_assign_user_role()
         self._mock_list_role()
@@ -532,7 +521,6 @@
             'dhcp': False,
         }
         iso_creds = isolated_creds.IsolatedCreds(name='test class',
-                                                 password='fake_password',
                                                  network_resources=net_dict)
         self._mock_assign_user_role()
         self._mock_list_role()
@@ -550,7 +538,6 @@
             'dhcp': False,
         }
         iso_creds = isolated_creds.IsolatedCreds(name='test class',
-                                                 password='fake_password',
                                                  network_resources=net_dict)
         self._mock_assign_user_role()
         self._mock_list_role()
@@ -568,7 +555,6 @@
             'dhcp': True,
         }
         iso_creds = isolated_creds.IsolatedCreds(name='test class',
-                                                 password='fake_password',
                                                  network_resources=net_dict)
         self._mock_assign_user_role()
         self._mock_list_role()