diff --git a/tempest/api/baremetal/admin/test_nodes.py b/tempest/api/baremetal/admin/test_nodes.py
index 8ccd36b..41c12c6 100644
--- a/tempest/api/baremetal/admin/test_nodes.py
+++ b/tempest/api/baremetal/admin/test_nodes.py
@@ -130,9 +130,7 @@
 
     @test.attr(type='smoke')
     def test_set_node_boot_device(self):
-        body = self.client.set_node_boot_device(self.node['uuid'], 'pxe')
-        # No content
-        self.assertEqual('', body)
+        self.client.set_node_boot_device(self.node['uuid'], 'pxe')
 
     @test.attr(type='smoke')
     def test_get_node_boot_device(self):
diff --git a/tempest/api/identity/admin/v3/test_endpoints.py b/tempest/api/identity/admin/v3/test_endpoints.py
index f1f1eb6..676f101 100644
--- a/tempest/api/identity/admin/v3/test_endpoints.py
+++ b/tempest/api/identity/admin/v3/test_endpoints.py
@@ -81,8 +81,7 @@
         fetched_endpoints_id = [e['id'] for e in fetched_endpoints]
         self.assertIn(endpoint['id'], fetched_endpoints_id)
         # Deleting the endpoint created in this method
-        _, body = self.client.delete_endpoint(endpoint['id'])
-        self.assertEqual(body, '')
+        self.client.delete_endpoint(endpoint['id'])
         # Checking whether endpoint is deleted successfully
         resp, fetched_endpoints = self.client.list_endpoints()
         fetched_endpoints_id = [e['id'] for e in fetched_endpoints]
diff --git a/tempest/api/messaging/test_queues.py b/tempest/api/messaging/test_queues.py
index dc286ad..accbd17 100644
--- a/tempest/api/messaging/test_queues.py
+++ b/tempest/api/messaging/test_queues.py
@@ -36,11 +36,12 @@
         _, body = self.create_queue(queue_name)
 
         self.addCleanup(self.client.delete_queue, queue_name)
-
+        # NOTE(gmann): create_queue returns response status code as 201
+        # so specifically checking the expected empty response body as
+        # this is not going to be checked in response_checker().
         self.assertEqual('', body)
 
-        _, body = self.delete_queue(queue_name)
-        self.assertEqual('', body)
+        self.delete_queue(queue_name)
         self.assertRaises(exceptions.NotFound,
                           self.client.get_queue,
                           queue_name)
@@ -63,15 +64,13 @@
     def test_check_queue_existence(self):
         # Checking Queue Existence
         for queue_name in self.queues:
-            _, body = self.check_queue_exists(queue_name)
-            self.assertEqual('', body)
+            self.check_queue_exists(queue_name)
 
     @test.attr(type='smoke')
     def test_check_queue_head(self):
         # Checking Queue Existence by calling HEAD
         for queue_name in self.queues:
-            _, body = self.check_queue_exists_head(queue_name)
-            self.assertEqual('', body)
+            self.check_queue_exists_head(queue_name)
 
     @test.attr(type='smoke')
     def test_list_queues(self):
@@ -111,8 +110,8 @@
         req_body = dict()
         req_body[data_utils.rand_name('key1')] = req_body1
         # Set Queue Metadata
-        _, body = self.set_queue_metadata(queue_name, req_body)
-        self.assertEqual('', body)
+        self.set_queue_metadata(queue_name, req_body)
+
         # Get Queue Metadata
         _, body = self.get_queue_metadata(queue_name)
         self.assertThat(body, matchers.Equals(req_body))
diff --git a/tempest/tests/stress/test_stress.py b/tempest/tests/stress/test_stress.py
index 3dc2199..5a93472 100644
--- a/tempest/tests/stress/test_stress.py
+++ b/tempest/tests/stress/test_stress.py
@@ -16,7 +16,7 @@
 import shlex
 import subprocess
 
-import tempest.cli as cli
+import tempest.exceptions as exceptions
 from tempest.openstack.common import log as logging
 from tempest.tests import base
 
@@ -43,9 +43,9 @@
             result, result_err = proc.communicate()
             if proc.returncode != 0:
                 LOG.debug('error of %s:\n%s' % (cmd_str, result_err))
-                raise cli.CommandFailed(proc.returncode,
-                                        cmd,
-                                        result)
+                raise exceptions.CommandFailed(proc.returncode,
+                                               cmd,
+                                               result)
         finally:
             LOG.debug('output of %s:\n%s' % (cmd_str, result))
         return proc.returncode