Migrate tests to zaza

Depends-On: openstack-charmers/zaza#93
Change-Id: I9a19960fdb239eb5a8d421f135285e89b8405267

Makefile

@@ -9,8 +9,8 @@ test:
 	@tox -e py27
 
 functional_test:
-	@echo Starting Amulet tests...
-	@tox -e func27
+	@echo Starting Zaza functional tests...
+	@tox -e func
 
 bin/charm_helpers_sync.py:
 	@mkdir -p bin
@@ -23,7 +23,6 @@ bin/git_sync.py:
 
 ch-sync: bin/charm_helpers_sync.py
 	$(PYTHON) bin/charm_helpers_sync.py -c charm-helpers-hooks.yaml
-	$(PYTHON) bin/charm_helpers_sync.py -c charm-helpers-tests.yaml
 
 ceph-sync:  bin/git_sync.py
 	$(PYTHON) bin/git_sync.py -d lib -s https://github.com/openstack/charms.ceph.git

test-requirements.txt

@@ -6,11 +6,7 @@ coverage>=3.6
 mock>=1.2
 flake8>=2.2.4,<=2.4.1
 os-testr>=0.4.1
-requests>=2.18.4
-# BEGIN: Amulet OpenStack Charm Helper Requirements
-# Liberty client lower constraints
-amulet>=1.14.3,<2.0;python_version=='2.7'
-bundletester>=0.6.1,<1.0;python_version=='2.7'
+requests==2.18.4
 python-ceilometerclient>=1.5.0
 python-cinderclient>=1.4.0
 python-glanceclient>=1.1.0
@@ -23,7 +19,6 @@ python-swiftclient>=2.6.0
 pika>=0.10.0,<1.0
 distro-info
 git+https://github.com/juju/charm-helpers.git#egg=charmhelpers
-# END: Amulet OpenStack Charm Helper Requirements
-# NOTE: workaround for 14.04 pip/tox
 pytz
 pyudev  # for ceph-* charm unit tests (not mocked?)
+git+https://github.com/openstack-charmers/zaza.git#egg=zaza;python_version>='3.0'