Add new heat_plugin section to tempest.conf

The heat tepest tests have moved out of tempest proper into a plugin.
This updates the tempest.conf accordingly.

zaza/openstack/charm_tests/tempest/templates/tempest_v3.j2

@@ -77,10 +77,29 @@ port_security = true
 {% endif %}
 
 {% if 'heat' in enabled_services %}
-[orchestration]
-stack_owner_role = Admin
-instance_type = m1.small
+[heat_plugin]
 keypair_name = testkey
+username = demo
+password = password
+project_name = demoProject
+user_domain_name = demoDomain
+project_domain_name = demoDomain
+admin_username = {{ admin_username }}
+admin_password = {{ admin_password }}
+admin_project_name = {{ admin_project_name }}
+admin_user_domain_name = admin_domain
+admin_project_domain_name = admin_domain
+auth_url = {{ proto }}://{{ keystone }}:5000//v3
+auth_version = 3
+disable_ssl_certificate_validation = true
+ca_file=/home/ubuntu/.cache/openstack-root-ca.crt
+region = RegionOne
+instance_type = m1.small
+minimal_instance_type = m1.small
+image_ref = {{ image_id }}
+minimal_image_ref = {{ image_id }}
+skip_functional_test_list = LoadBalancerv2Test,NotificationTest,UpdateStackTest.test_stack_update_with_replacing_userdata,CancelUpdateTest.test_cancel_update_server_with_port
+skip_scenario_test_list = SoftwareConfigIntegrationTest,AutoscalingLoadBalancerTest,AutoscalingLoadBalancerv2Test,AodhAlarmTest,CfnInitIntegrationTest,BasicResourcesTest
 {% endif %}
 
 [oslo_concurrency]