diff --git a/openstackclient/tests/compute/v2/test_security_group.py b/openstackclient/tests/compute/v2/test_security_group.py
index fdb659a86f..87cc4870d8 100644
--- a/openstackclient/tests/compute/v2/test_security_group.py
+++ b/openstackclient/tests/compute/v2/test_security_group.py
@@ -56,6 +56,19 @@ class TestSecurityGroup(compute_fakes.TestComputev2):
 
 class TestSecurityGroupCreate(TestSecurityGroup):
 
+    columns = (
+        'description',
+        'id',
+        'name',
+        'tenant_id',
+    )
+    data = (
+        security_group_description,
+        security_group_id,
+        security_group_name,
+        identity_fakes.project_id,
+    )
+
     def setUp(self):
         super(TestSecurityGroupCreate, self).setUp()
 
@@ -86,20 +99,8 @@ class TestSecurityGroupCreate(TestSecurityGroup):
             security_group_name,
         )
 
-        collist = (
-            'description',
-            'id',
-            'name',
-            'tenant_id',
-        )
-        self.assertEqual(collist, columns)
-        datalist = (
-            security_group_description,
-            security_group_id,
-            security_group_name,
-            identity_fakes.project_id,
-        )
-        self.assertEqual(datalist, data)
+        self.assertEqual(self.columns, columns)
+        self.assertEqual(self.data, data)
 
     def test_security_group_create_description(self):
         arglist = [
@@ -121,20 +122,8 @@ class TestSecurityGroupCreate(TestSecurityGroup):
             security_group_description,
         )
 
-        collist = (
-            'description',
-            'id',
-            'name',
-            'tenant_id',
-        )
-        self.assertEqual(collist, columns)
-        datalist = (
-            security_group_description,
-            security_group_id,
-            security_group_name,
-            identity_fakes.project_id,
-        )
-        self.assertEqual(datalist, data)
+        self.assertEqual(self.columns, columns)
+        self.assertEqual(self.data, data)
 
 
 class TestSecurityGroupList(TestSecurityGroup):
diff --git a/openstackclient/tests/compute/v2/test_security_group_rule.py b/openstackclient/tests/compute/v2/test_security_group_rule.py
index 0e7ee05d87..a2f9b10825 100644
--- a/openstackclient/tests/compute/v2/test_security_group_rule.py
+++ b/openstackclient/tests/compute/v2/test_security_group_rule.py
@@ -116,6 +116,15 @@ class TestSecurityGroupRule(compute_fakes.TestComputev2):
 
 class TestSecurityGroupRuleCreate(TestSecurityGroupRule):
 
+    columns = (
+        'id',
+        'ip_protocol',
+        'ip_range',
+        'parent_group_id',
+        'port_range',
+        'remote_security_group',
+    )
+
     def setUp(self):
         super(TestSecurityGroupRuleCreate, self).setUp()
 
@@ -156,15 +165,7 @@ class TestSecurityGroupRuleCreate(TestSecurityGroupRule):
             None,
         )
 
-        collist = (
-            'id',
-            'ip_protocol',
-            'ip_range',
-            'parent_group_id',
-            'port_range',
-            'remote_security_group',
-        )
-        self.assertEqual(collist, columns)
+        self.assertEqual(self.columns, columns)
         datalist = (
             security_group_rule_id,
             'tcp',
@@ -208,15 +209,7 @@ class TestSecurityGroupRuleCreate(TestSecurityGroupRule):
             None,
         )
 
-        collist = (
-            'id',
-            'ip_protocol',
-            'ip_range',
-            'parent_group_id',
-            'port_range',
-            'remote_security_group',
-        )
-        self.assertEqual(collist, columns)
+        self.assertEqual(self.columns, columns)
         datalist = (
             security_group_rule_id,
             'tcp',
@@ -264,15 +257,7 @@ class TestSecurityGroupRuleCreate(TestSecurityGroupRule):
             security_group_id,
         )
 
-        collist = (
-            'id',
-            'ip_protocol',
-            'ip_range',
-            'parent_group_id',
-            'port_range',
-            'remote_security_group',
-        )
-        self.assertEqual(collist, columns)
+        self.assertEqual(self.columns, columns)
         datalist = (
             security_group_rule_id,
             'tcp',
@@ -315,15 +300,7 @@ class TestSecurityGroupRuleCreate(TestSecurityGroupRule):
             None,
         )
 
-        collist = (
-            'id',
-            'ip_protocol',
-            'ip_range',
-            'parent_group_id',
-            'port_range',
-            'remote_security_group',
-        )
-        self.assertEqual(collist, columns)
+        self.assertEqual(self.columns, columns)
         datalist = (
             security_group_rule_id,
             'udp',
@@ -369,15 +346,7 @@ class TestSecurityGroupRuleCreate(TestSecurityGroupRule):
             None,
         )
 
-        collist = (
-            'id',
-            'ip_protocol',
-            'ip_range',
-            'parent_group_id',
-            'port_range',
-            'remote_security_group',
-        )
-        self.assertEqual(collist, columns)
+        self.assertEqual(self.columns, columns)
         datalist = (
             security_group_rule_id,
             'icmp',
diff --git a/openstackclient/tests/compute/v2/test_server.py b/openstackclient/tests/compute/v2/test_server.py
index 72fdbafc85..f6b622916b 100644
--- a/openstackclient/tests/compute/v2/test_server.py
+++ b/openstackclient/tests/compute/v2/test_server.py
@@ -89,6 +89,26 @@ class TestServer(compute_fakes.TestComputev2):
 
 class TestServerCreate(TestServer):
 
+    columns = (
+        'addresses',
+        'flavor',
+        'id',
+        'name',
+        'networks',
+        'properties',
+    )
+
+    def datalist(self):
+        datalist = (
+            '',
+            self.flavor.name + ' ()',
+            self.new_server.id,
+            self.new_server.name,
+            self.new_server.networks,
+            '',
+        )
+        return datalist
+
     def setUp(self):
         super(TestServerCreate, self).setUp()
 
@@ -171,24 +191,8 @@ class TestServerCreate(TestServer):
             **kwargs
         )
 
-        collist = (
-            'addresses',
-            'flavor',
-            'id',
-            'name',
-            'networks',
-            'properties',
-        )
-        self.assertEqual(collist, columns)
-        datalist = (
-            '',
-            self.flavor.name + ' ()',
-            self.new_server.id,
-            self.new_server.name,
-            self.new_server.networks,
-            '',
-        )
-        self.assertEqual(datalist, data)
+        self.assertEqual(self.columns, columns)
+        self.assertEqual(self.datalist(), data)
 
     def test_server_create_with_network(self):
         arglist = [
@@ -272,24 +276,8 @@ class TestServerCreate(TestServer):
             **kwargs
         )
 
-        collist = (
-            'addresses',
-            'flavor',
-            'id',
-            'name',
-            'networks',
-            'properties',
-        )
-        self.assertEqual(collist, columns)
-        datalist = (
-            '',
-            self.flavor.name + ' ()',
-            self.new_server.id,
-            self.new_server.name,
-            self.new_server.networks,
-            '',
-        )
-        self.assertEqual(datalist, data)
+        self.assertEqual(self.columns, columns)
+        self.assertEqual(self.datalist(), data)
 
     @mock.patch('openstackclient.compute.v2.server.io.open')
     def test_server_create_userdata(self, mock_open):
@@ -345,24 +333,8 @@ class TestServerCreate(TestServer):
             **kwargs
         )
 
-        collist = (
-            'addresses',
-            'flavor',
-            'id',
-            'name',
-            'networks',
-            'properties',
-        )
-        self.assertEqual(collist, columns)
-        datalist = (
-            '',
-            self.flavor.name + ' ()',
-            self.new_server.id,
-            self.new_server.name,
-            self.new_server.networks,
-            '',
-        )
-        self.assertEqual(datalist, data)
+        self.assertEqual(self.columns, columns)
+        self.assertEqual(self.datalist(), data)
 
     def test_server_create_with_block_device_mapping(self):
         arglist = [
@@ -414,24 +386,8 @@ class TestServerCreate(TestServer):
             **kwargs
         )
 
-        collist = (
-            'addresses',
-            'flavor',
-            'id',
-            'name',
-            'networks',
-            'properties',
-        )
-        self.assertEqual(collist, columns)
-        datalist = (
-            '',
-            self.flavor.name + ' ()',
-            self.new_server.id,
-            self.new_server.name,
-            self.new_server.networks,
-            '',
-        )
-        self.assertEqual(datalist, data)
+        self.assertEqual(self.columns, columns)
+        self.assertEqual(self.datalist(), data)
 
 
 class TestServerDelete(TestServer):
@@ -536,6 +492,26 @@ class TestServerDelete(TestServer):
 
 class TestServerImageCreate(TestServer):
 
+    columns = (
+        'id',
+        'name',
+        'owner',
+        'protected',
+        'tags',
+        'visibility',
+    )
+
+    def datalist(self):
+        datalist = (
+            self.image.id,
+            self.image.name,
+            self.image.owner,
+            self.image.protected,
+            self.image.tags,
+            self.image.visibility,
+        )
+        return datalist
+
     def setUp(self):
         super(TestServerImageCreate, self).setUp()
 
@@ -569,17 +545,8 @@ class TestServerImageCreate(TestServer):
             self.server.name,
         )
 
-        collist = ('id', 'name', 'owner', 'protected', 'tags', 'visibility')
-        self.assertEqual(collist, columns)
-        datalist = (
-            self.image.id,
-            self.image.name,
-            self.image.owner,
-            self.image.protected,
-            self.image.tags,
-            self.image.visibility,
-        )
-        self.assertEqual(datalist, data)
+        self.assertEqual(self.columns, columns)
+        self.assertEqual(self.datalist(), data)
 
     def test_server_image_create_name(self):
         arglist = [
@@ -601,17 +568,8 @@ class TestServerImageCreate(TestServer):
             'img-nam',
         )
 
-        collist = ('id', 'name', 'owner', 'protected', 'tags', 'visibility')
-        self.assertEqual(collist, columns)
-        datalist = (
-            self.image.id,
-            self.image.name,
-            self.image.owner,
-            self.image.protected,
-            self.image.tags,
-            self.image.visibility,
-        )
-        self.assertEqual(datalist, data)
+        self.assertEqual(self.columns, columns)
+        self.assertEqual(self.datalist(), data)
 
 
 class TestServerList(TestServer):