diff --git a/tempest/tests/boto/test_ec2_instance_run.py b/tempest/tests/boto/test_ec2_instance_run.py
index 08dc330..b6b93d8 100644
--- a/tempest/tests/boto/test_ec2_instance_run.py
+++ b/tempest/tests/boto/test_ec2_instance_run.py
@@ -202,14 +202,13 @@
 
         re_search_wait(_output, text)
         part_lines = ssh.get_partitions().split('\n')
-        # "attaching" invalid EC2 state ! #1074901
         volume.attach(instance.id, "/dev/vdh")
 
         def _volume_state():
             volume.update(validate=True)
             return volume.status
 
-        #self.assertVolumeStatusWait(_volume_state, "in-use")  # #1074901
+        self.assertVolumeStatusWait(_volume_state, "in-use")
         re_search_wait(_volume_state, "in-use")
 
         #NOTE(afazekas):  Different Hypervisor backends names
@@ -229,9 +228,9 @@
 
         #TODO(afazekas): Resource compare to the flavor settings
 
-        volume.detach()  # "detaching" invalid EC2 status #1074901
+        volume.detach()
 
-        #self.assertVolumeStatusWait(_volume_state, "available")
+        self.assertVolumeStatusWait(_volume_state, "available")
         re_search_wait(_volume_state, "available")
         LOG.info("Volume %s state: %s", volume.id, volume.status)
 
diff --git a/tempest/tests/boto/test_ec2_volumes.py b/tempest/tests/boto/test_ec2_volumes.py
index dc8ff31..37a913e 100644
--- a/tempest/tests/boto/test_ec2_volumes.py
+++ b/tempest/tests/boto/test_ec2_volumes.py
@@ -39,7 +39,6 @@
         cls.client = cls.os.ec2api_client
         cls.zone = cls.client.get_good_zone()
 
-#NOTE(afazekas): as admin it can trigger the Bug #1074901
     @attr(type='smoke')
     def test_create_get_delete(self):
         # EC2 Create, get, delete Volume
diff --git a/tox.ini b/tox.ini
index b0d66b4..565a9ad 100644
--- a/tox.ini
+++ b/tox.ini
@@ -9,8 +9,6 @@
          NOSE_OPENSTACK_YELLOW=3
          NOSE_OPENSTACK_SHOW_ELAPSED=1
          NOSE_OPENSTACK_STDOUT=1
-deps = -r{toxinidir}/tools/pip-requires
-       -r{toxinidir}/tools/test-requires
 
 [testenv:full]
 sitepackages = True
@@ -55,6 +53,8 @@
 
 [testenv:pep8]
 commands = flake8
+deps = -r{toxinidir}/tools/pip-requires
+       -r{toxinidir}/tools/test-requires
 
 [flake8]
 ignore = E125,H302,H404