diff --git a/test_set/cvp-spt/README.md b/test_set/cvp-spt/README.md
index 125521f..eb76c1f 100644
--- a/test_set/cvp-spt/README.md
+++ b/test_set/cvp-spt/README.md
@@ -4,9 +4,16 @@
 
 * Set IMAGE_SIZE_MB env variable to have specific image size in cvp-spt/test_glance.py tests
 
+* [test_vm2vm] allowable next overrides:
+flavor_name='spt-test'  to set flavor name
+flavor_ram=1536         to define RAM allocation for specific flavor
+flavor_vcpus=1          to define a count of vCPU for flavor
+flavor_disk=5           to define a count of disks on flavor
+
 * *cvp-spt.test_glance*   Error may happen while executing images.upload:
 ```python
 CommunicationError: Error finding address for http://os-ctl-vip.<>.local:9292/v2/images/8bce33dd-9837-4646-b747-7f7f5ce01092/file:
 Unable to establish connection to http://os-ctl-vip.<>.local:9292/v2/images/8bce33dd-9837-4646-b747-7f7f5ce01092/file: [Errno 32] Broken pipe
 ```
-This may happen because of low disk space on ctl node or old cryptography package (will be fixed after upgrading to Python3)
\ No newline at end of file
+This may happen because of low disk space on ctl node or old cryptography package (will be fixed after upgrading to Python3)
+
diff --git a/test_set/cvp-spt/fixtures/base.py b/test_set/cvp-spt/fixtures/base.py
index 34a598e..b445e62 100644
--- a/test_set/cvp-spt/fixtures/base.py
+++ b/test_set/cvp-spt/fixtures/base.py
@@ -53,7 +53,11 @@
     os_actions = os_client.OSCliActions(openstack_clients)
     os_resource = {}
     config = utils.get_configuration()
-    image_name = config.get('image_name') or ['Ubuntu']
+    image_name = config.get('image_name', 'Ubuntu')
+    flavor_name = config.get('flavor_name', 'spt-test')
+    flavor_ram = config.get('flavor_ram', 1536)
+    flavor_vcpus = config.get('flavor_vcpus', 1)
+    flavor_disk = config.get('flavor_disk', 3)
 
     os_images_list = [image.id for image in openstack_clients.image.images.list(filters={'name': image_name})]
     if os_images_list.__len__() == 0:
@@ -61,14 +65,15 @@
 
     os_resource['image_id'] = str(os_images_list[0])
 
-    os_resource['flavor_id'] = [flavor.id for flavor in openstack_clients.compute.flavors.list() if flavor.name == 'spt-test']
+    os_resource['flavor_id'] = [flavor.id for flavor in openstack_clients.compute.flavors.list() if flavor.name == flavor_name]
     if not os_resource['flavor_id']:
-        os_resource['flavor_id'] = os_actions.create_flavor('spt-test', 1536, 1, 3).id
+        os_resource['flavor_id'] = os_actions.create_flavor(flavor_name, flavor_ram, flavor_vcpus, flavor_disk).id
     else:
         os_resource['flavor_id'] = str(os_resource['flavor_id'][0])
 
     os_resource['sec_group'] = os_actions.create_sec_group()
-    os_resource['keypair'] = openstack_clients.compute.keypairs.create('spt-test-{}'.format(random.randrange(100, 999)))
+    os_resource['keypair'] = openstack_clients.compute.keypairs.create(
+        '{}-{}'.format(flavor_name, random.randrange(100, 999)))
     os_resource['net1'] = os_actions.create_network_resources()
     os_resource['ext_net'] = os_actions.get_external_network()
     adm_tenant = os_actions.get_admin_tenant()
diff --git a/test_set/cvp-spt/global_config.yaml b/test_set/cvp-spt/global_config.yaml
index 9a8e738..d44ff8e 100644
--- a/test_set/cvp-spt/global_config.yaml
+++ b/test_set/cvp-spt/global_config.yaml
@@ -29,3 +29,9 @@
 nova_timeout: 30
 iperf_prep_string: "sudo /bin/bash -c 'echo \"91.189.88.161        archive.ubuntu.com\" >> /etc/hosts'"
 IMAGE_SIZE_MB: 2000
+
+# parameters for vm2vm test
+flavor_name: 'spt-test'
+flavor_ram: 1536
+flavor_vcpus: 1
+flavor_disk: 5
\ No newline at end of file
diff --git a/test_set/cvp-spt/tests/test_glance.py b/test_set/cvp-spt/tests/test_glance.py
index 5514944..87d6e4a 100644
--- a/test_set/cvp-spt/tests/test_glance.py
+++ b/test_set/cvp-spt/tests/test_glance.py
@@ -24,11 +24,11 @@
     create_file_cmdline = 'dd if=/dev/zero of=/tmp/image_mk_framework.dd bs=1M count={image_size}'.format(
         image_size=image_size_megabytes)
 
-    is_cmd_successful = subprocess.call(create_file_cmdline.split()) == 0
+    is_cmd_successful = subprocess.call(create_file_cmdline, shell=True) == 0
     yield is_cmd_successful
     # teardown
-    subprocess.call('rm -f /tmp/image_mk_framework.dd'.split())
-    subprocess.call('rm -f /tmp/image_mk_framework.download'.split())
+    subprocess.call('rm -f /tmp/image_mk_framework.dd', shell=True)
+    subprocess.call('rm -f /tmp/image_mk_framework.download', shell=True)
 
 
 def test_speed_glance(create_image, openstack_clients, record_property):
diff --git a/test_set/cvp-spt/utils/__init__.py b/test_set/cvp-spt/utils/__init__.py
index 36cf239..a3bd6c2 100644
--- a/test_set/cvp-spt/utils/__init__.py
+++ b/test_set/cvp-spt/utils/__init__.py
@@ -98,7 +98,7 @@
     global_config_file = os.path.join(
         os.path.dirname(os.path.abspath(__file__)), "../global_config.yaml")
     with open(global_config_file, 'r') as file:
-        global_config = yaml.load(file)
+        global_config = yaml.load(file, Loader=yaml.SafeLoader)
     for param in global_config.keys():
         if param in os.environ.keys():
             if ',' in os.environ[param]: