diff --git a/src/metadata.yaml b/src/metadata.yaml
index 0da82f3..07ec3f6 100644
--- a/src/metadata.yaml
+++ b/src/metadata.yaml
@@ -21,6 +21,7 @@ tags:
   - openstack
 series:
   - xenial
+  - zesty
   - trusty
   - yakkety
 provides:
diff --git a/src/test-requirements.txt b/src/test-requirements.txt
index 613b081..3cb4ae7 100644
--- a/src/test-requirements.txt
+++ b/src/test-requirements.txt
@@ -1,5 +1,12 @@
-# charm-proof
+# The order of packages is significant, because pip processes them in the order
+# of appearance. Changing the order has an impact on the overall integration
+# process, which may cause wedges in the gate later.
+coverage>=3.6
+mock>=1.2
+flake8>=2.2.4,<=2.4.1
+os-testr>=0.4.1
 charm-tools>=2.0.0
+requests==2.6.0
 # amulet deployment helpers
 bzr+lp:charm-helpers#egg=charmhelpers
 # BEGIN: Amulet OpenStack Charm Helper Requirements
@@ -7,15 +14,18 @@ bzr+lp:charm-helpers#egg=charmhelpers
 amulet>=1.14.3,<2.0
 bundletester>=0.6.1,<1.0
 aodhclient>=0.1.0
-python-ceilometerclient>=1.5.0,<2.0
-python-cinderclient>=1.4.0,<2.0
-python-glanceclient>=1.1.0,<2.0
-python-heatclient>=0.8.0,<1.0
-python-keystoneclient>=1.7.1,<2.0
-python-neutronclient>=3.1.0,<4.0
-python-novaclient>=2.30.1,<3.0
-python-openstackclient>=1.7.0,<2.0
-python-swiftclient>=2.6.0,<3.0
+python-barbicanclient>=4.0.1
+python-ceilometerclient>=1.5.0
+python-cinderclient>=1.4.0
+python-designateclient>=1.5
+python-glanceclient>=1.1.0
+python-heatclient>=0.8.0
+python-keystoneclient>=1.7.1
+python-manilaclient>=1.8.1
+python-neutronclient>=3.1.0
+python-novaclient>=2.30.1
+python-openstackclient>=1.7.0
+python-swiftclient>=2.6.0
 pika>=0.10.0,<1.0
 distro-info
 # END: Amulet OpenStack Charm Helper Requirements
diff --git a/src/tests/gate-basic-xenial-ocata b/src/tests/gate-basic-xenial-ocata
old mode 100644
new mode 100755
index 2567599..34a2e72
--- a/src/tests/gate-basic-xenial-ocata
+++ b/src/tests/gate-basic-xenial-ocata
@@ -21,5 +21,6 @@ from basic_deployment import OVSODLBasicDeployment
 if __name__ == '__main__':
     deployment = OVSODLBasicDeployment(series='xenial',
                                        openstack='cloud:xenial-ocata',
-                                       source='cloud:xenial-updates/ocata')
+                                       source='cloud:xenial-updates/ocata',
+                                       odl_version='beryllium')
     deployment.run_tests()
diff --git a/src/tests/gate-basic-zesty-ocata b/src/tests/gate-basic-zesty-ocata
old mode 100644
new mode 100755
diff --git a/src/tox.ini b/src/tox.ini
index 479d7bb..276db2f 100644
--- a/src/tox.ini
+++ b/src/tox.ini
@@ -10,7 +10,7 @@ setenv = VIRTUAL_ENV={envdir}
          PYTHONHASHSEED=0
          AMULET_SETUP_TIMEOUT=2700
 whitelist_externals = juju
-passenv = HOME TERM AMULET_*
+passenv = HOME TERM AMULET_* CS_API_*
 deps = -r{toxinidir}/test-requirements.txt
 install_command =
   pip install --allow-unverified python-apt {opts} {packages}