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diff --git a/rwlaunchpad/ra/pytest/ns/rbac/conftest.py b/rwlaunchpad/ra/pytest/ns/rbac/conftest.py
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+# 
+#   Copyright 2017 RIFT.IO Inc
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+#
+
+import pytest
+import itertools
+import random
+import os
+import gi
+
+import rift.auto.session
+import rift.auto.mano
+
+gi.require_version('RwAuthExtWebSvcYang', '1.0')
+gi.require_version('RwAuthExtUserYang', '1.0')
+from gi.repository import (
+    RwAuthExtWebSvcYang,
+    RwAuthExtUserYang,
+    )
+
+@pytest.fixture(scope='session')
+def auto_certs_dir():
+    """Fixture that returns path of certs specific to automation"""
+    return os.path.join(os.getenv('RIFT_INSTALL'), 'usr/rift/systemtest/config/ssl')
+
+@pytest.fixture(scope='session')
+def set_webauth_cert_choice(tbac):
+    """Fixture that retuns a boolean value indicating whether to configure new key & cert in launchpad"""
+    if not tbac:
+        return False
+    # return random.choice([True, False])
+    return True
+
+@pytest.fixture(scope='session', autouse=True)
+def configure_key_cert(logger, set_webauth_cert_choice, auto_certs_dir, mgmt_session, confd_host, rw_user_proxy, 
+    user_domain, ):
+    """Configures new cert, key in webauth-server-config, webauth-client-config"""
+    if set_webauth_cert_choice:
+        logger.debug('Configuring new certs from this path: {}'.format(auto_certs_dir))
+        print('Configuring new certs from this path: {}'.format(auto_certs_dir))
+    else:
+        return
+
+    cert_path = os.path.join(auto_certs_dir, 'rift_auto.crt')
+    key_path = os.path.join(auto_certs_dir, 'rift_auto.key')
+
+    server_ssl_config_xpath = '/rw-auth-ext-web-svc:webauth-server-config/rw-auth-ext-web-svc:ssl-config'
+    client_config_xpath = '/rw-auth-ext-user:webauth-client-config'
+    webauth_server_proxy = mgmt_session.proxy(RwAuthExtWebSvcYang)
+    webauth_client_proxy = mgmt_session.proxy(RwAuthExtUserYang)
+
+    def configure_webauth_server():
+        logger.debug('configuring the webauth-server')
+        webauth_server_obj = RwAuthExtWebSvcYang.YangData_RwAuthExtWebSvc_WebauthServerConfig_SslConfig.from_dict(
+                                                        {'server_cert_path': cert_path, 'server_key_path': key_path})
+        webauth_server_proxy.replace_config(server_ssl_config_xpath, webauth_server_obj)
+
+    def configure_webauth_client():
+        logger.debug('configuring the webauth-client')
+        webauth_client_obj = RwAuthExtUserYang.YangData_RwAuthExtUser_WebauthClientConfig.from_dict(
+                                                                            {'ca_cert_path': cert_path})
+        webauth_client_proxy.merge_config(client_config_xpath, webauth_client_obj)
+
+    # Check if its running after launchpad reload; if so skip configuring the certs again (RIFT-17641)
+    server_ssl_config = webauth_server_proxy.get_config(server_ssl_config_xpath)
+    if server_ssl_config.server_cert_path != cert_path:
+        user, password = ['demo']*2
+        logger.debug('Adding an external user {}'.format(user))
+        rift.auto.mano.create_user(rw_user_proxy, user, password, user_domain)
+
+        # Shuffling the function calls for server and client configuration
+        list_func = [configure_webauth_server, configure_webauth_client]
+        random.shuffle(list_func)
+
+        # configuring either of the server or client
+        list_func.pop()()
+
+        # Try getting access token for an external user; it should fail
+        with pytest.raises(Exception,
+                           message='Should not be able to get access token for user {} as certs are not yet configured for both server and client'.format(
+                                   user)):
+            logger.debug('Trying to get access token for user {}'.format(user))
+            access_token = rift.auto.session.get_access_token(user, password, confd_host)
+            logger.debug('Access token for user {}: {}'.format(user, access_token))
+
+        list_func.pop()()
+
+        # Try getting access token for an external user; it should pass now
+        rift.auto.session.get_access_token(user, password, confd_host)
+
+        # RIFT-17641: Delete user 'demo'
+        rift.auto.mano.delete_user(rw_user_proxy, user, user_domain)
+
+@pytest.fixture(scope='session')
+def all_roles_combinations(all_roles):
+    """Returns a combination of all roles except single combinations i.e if there are a total of N roles, then it 
+    returns (2^N-1)-N role combinations.
+    Here, we have 11 roles, so it returns 2047-11=2036 combinations"""
+    all_roles_combinations_ = list()
+    for set_length in range(2, len(all_roles)+1):
+        for roles_combination in itertools.combinations(all_roles, set_length):
+            all_roles_combinations_.append(roles_combination)
+    return tuple(all_roles_combinations_)