ITOPSENG-277 restore testing of proxy and port

roles/confluence_config/molecule/default/playbook.yml

@@ -16,6 +16,7 @@
     atl_local_ipv4: "1.1.1.1"
     atl_tomcat_scheme: "http"
     atl_proxy_name: "localhost"
+    atl_proxy_port: "80"
 
   roles:
     - role: linux_common

roles/confluence_config/molecule/default/tests/test_default.py

@@ -38,6 +38,8 @@ def test_server_file(host):
     assert f.contains('acceptCount="10"')
     assert f.contains('secure="false"')
     assert f.contains('scheme="http"')
+    assert f.contains('proxyName=')
+    assert f.contains('proxyPort=')
 
 def test_install_permissions(host):
     assert host.file('/opt/atlassian/confluence/current/conf/server.xml').user == 'root'