Change v2 identity client methods to return one value

Tests were updated along with verify_tempest, stress, cleanup, javelin.

Partially implements: blueprint clients-return-one-value

Change-Id: Ia6c8d0df5fbf0ea69aad2cc9995928f3d329724d
diff --git a/tempest/api/identity/admin/test_tenants.py b/tempest/api/identity/admin/test_tenants.py
index 778bd5c..549e952 100644
--- a/tempest/api/identity/admin/test_tenants.py
+++ b/tempest/api/identity/admin/test_tenants.py
@@ -29,11 +29,11 @@
         tenants = []
         for _ in moves.xrange(3):
             tenant_name = data_utils.rand_name(name='tenant-new')
-            _, tenant = self.client.create_tenant(tenant_name)
+            tenant = self.client.create_tenant(tenant_name)
             self.data.tenants.append(tenant)
             tenants.append(tenant)
         tenant_ids = map(lambda x: x['id'], tenants)
-        _, body = self.client.list_tenants()
+        body = self.client.list_tenants()
         found = [t for t in body if t['id'] in tenant_ids]
         self.assertEqual(len(found), len(tenants), 'Tenants not created')
 
@@ -41,7 +41,7 @@
             self.client.delete_tenant(tenant['id'])
             self.data.tenants.remove(tenant)
 
-        _, body = self.client.list_tenants()
+        body = self.client.list_tenants()
         found = [tenant for tenant in body if tenant['id'] in tenant_ids]
         self.assertFalse(any(found), 'Tenants failed to delete')
 
@@ -50,15 +50,15 @@
         # Create tenant with a description
         tenant_name = data_utils.rand_name(name='tenant-')
         tenant_desc = data_utils.rand_name(name='desc-')
-        _, body = self.client.create_tenant(tenant_name,
-                                            description=tenant_desc)
+        body = self.client.create_tenant(tenant_name,
+                                         description=tenant_desc)
         tenant = body
         self.data.tenants.append(tenant)
         tenant_id = body['id']
         desc1 = body['description']
         self.assertEqual(desc1, tenant_desc, 'Description should have '
                          'been sent in response for create')
-        _, body = self.client.get_tenant(tenant_id)
+        body = self.client.get_tenant(tenant_id)
         desc2 = body['description']
         self.assertEqual(desc2, tenant_desc, 'Description does not appear'
                          'to be set')
@@ -69,13 +69,13 @@
     def test_tenant_create_enabled(self):
         # Create a tenant that is enabled
         tenant_name = data_utils.rand_name(name='tenant-')
-        _, body = self.client.create_tenant(tenant_name, enabled=True)
+        body = self.client.create_tenant(tenant_name, enabled=True)
         tenant = body
         self.data.tenants.append(tenant)
         tenant_id = body['id']
         en1 = body['enabled']
         self.assertTrue(en1, 'Enable should be True in response')
-        _, body = self.client.get_tenant(tenant_id)
+        body = self.client.get_tenant(tenant_id)
         en2 = body['enabled']
         self.assertTrue(en2, 'Enable should be True in lookup')
         self.client.delete_tenant(tenant_id)
@@ -85,14 +85,14 @@
     def test_tenant_create_not_enabled(self):
         # Create a tenant that is not enabled
         tenant_name = data_utils.rand_name(name='tenant-')
-        _, body = self.client.create_tenant(tenant_name, enabled=False)
+        body = self.client.create_tenant(tenant_name, enabled=False)
         tenant = body
         self.data.tenants.append(tenant)
         tenant_id = body['id']
         en1 = body['enabled']
         self.assertEqual('false', str(en1).lower(),
                          'Enable should be False in response')
-        _, body = self.client.get_tenant(tenant_id)
+        body = self.client.get_tenant(tenant_id)
         en2 = body['enabled']
         self.assertEqual('false', str(en2).lower(),
                          'Enable should be False in lookup')
@@ -103,7 +103,7 @@
     def test_tenant_update_name(self):
         # Update name attribute of a tenant
         t_name1 = data_utils.rand_name(name='tenant-')
-        _, body = self.client.create_tenant(t_name1)
+        body = self.client.create_tenant(t_name1)
         tenant = body
         self.data.tenants.append(tenant)
 
@@ -111,11 +111,11 @@
         resp1_name = body['name']
 
         t_name2 = data_utils.rand_name(name='tenant2-')
-        _, body = self.client.update_tenant(t_id, name=t_name2)
+        body = self.client.update_tenant(t_id, name=t_name2)
         resp2_name = body['name']
         self.assertNotEqual(resp1_name, resp2_name)
 
-        _, body = self.client.get_tenant(t_id)
+        body = self.client.get_tenant(t_id)
         resp3_name = body['name']
 
         self.assertNotEqual(resp1_name, resp3_name)
@@ -130,7 +130,7 @@
         # Update description attribute of a tenant
         t_name = data_utils.rand_name(name='tenant-')
         t_desc = data_utils.rand_name(name='desc-')
-        _, body = self.client.create_tenant(t_name, description=t_desc)
+        body = self.client.create_tenant(t_name, description=t_desc)
         tenant = body
         self.data.tenants.append(tenant)
 
@@ -138,11 +138,11 @@
         resp1_desc = body['description']
 
         t_desc2 = data_utils.rand_name(name='desc2-')
-        _, body = self.client.update_tenant(t_id, description=t_desc2)
+        body = self.client.update_tenant(t_id, description=t_desc2)
         resp2_desc = body['description']
         self.assertNotEqual(resp1_desc, resp2_desc)
 
-        _, body = self.client.get_tenant(t_id)
+        body = self.client.get_tenant(t_id)
         resp3_desc = body['description']
 
         self.assertNotEqual(resp1_desc, resp3_desc)
@@ -157,7 +157,7 @@
         # Update the enabled attribute of a tenant
         t_name = data_utils.rand_name(name='tenant-')
         t_en = False
-        _, body = self.client.create_tenant(t_name, enabled=t_en)
+        body = self.client.create_tenant(t_name, enabled=t_en)
         tenant = body
         self.data.tenants.append(tenant)
 
@@ -165,11 +165,11 @@
         resp1_en = body['enabled']
 
         t_en2 = True
-        _, body = self.client.update_tenant(t_id, enabled=t_en2)
+        body = self.client.update_tenant(t_id, enabled=t_en2)
         resp2_en = body['enabled']
         self.assertNotEqual(resp1_en, resp2_en)
 
-        _, body = self.client.get_tenant(t_id)
+        body = self.client.get_tenant(t_id)
         resp3_en = body['enabled']
 
         self.assertNotEqual(resp1_en, resp3_en)