Add gate test for xenial-ocata

Add .gitreview

Add .testr.conf

Change-Id: Ib34bcee7ce5bf6b10d5ed3ea36cb50a28f475eb5

.gitreview

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+[gerrit]
+host=review.openstack.org
+port=29418
+project=openstack/charm-mistral.git

.testr.conf

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+[DEFAULT]
+test_command=OS_STDOUT_CAPTURE=${OS_STDOUT_CAPTURE:-1} \
+             OS_STDERR_CAPTURE=${OS_STDERR_CAPTURE:-1} \
+             OS_TEST_TIMEOUT=${OS_TEST_TIMEOUT:-60} \
+             ${PYTHON:-python} -m subunit.run discover -t ./ ./unit_tests $LISTOPT $IDOPTION
+
+test_id_option=--load-list $IDFILE
+test_list_option=--list

src/tests/gate-basic-xenial-ocata

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+#!/usr/bin/env python
+#
+# Copyright 2016 Canonical Ltd
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#  http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Amulet tests on a basic designate deployment on xenial-newton."""
+
+from basic_deployment import MistralBasicDeployment
+
+if __name__ == '__main__':
+    deployment = MistralBasicDeployment(series='xenial',
+                                        openstack='cloud:xenial-ocata',
+                                        source='cloud:xenial-updates/ocata')
+    deployment.run_tests()