Specify config location through KOPANO_CONFIG_PATH env variable (#352)

* Specify config location through KOPANO_CONFIG_PATH env variable
* add commander test to verify config is honoured by cli programs
* remove wrappers other than kopano-cli as it cannot make use of KOPANO_CONFIG_PATH

Fixes: https://github.com/zokradonh/kopano-docker/issues/351

scheduler/commander.yaml

@@ -30,14 +30,18 @@ tests:
         - "Drafts"
       contains:
         - "Postvak IN"
-#  test renaming of folders:
-#    command: docker exec kopano_server env KCCONF_ADMIN_DEFAULT_STORE_LOCALE=de_DE.UTF-8 /usr/bin/python3 /kopano/server.py && docker exec kopano_server kopano-storeadm -Y -n user12
-#    exit-code: 0
-#    stderr:
-#      contains:
-#        - The -l option was not specified; "de_DE.UTF-8" will be used as language
-#        - Posteingang
-#        - Entwürfe
+  test renaming of folders:
+    command: docker exec kopano_server env KCCONF_ADMIN_DEFAULT_STORE_LOCALE=de_DE.UTF-8 /usr/bin/python3 /kopano/server.py && docker exec kopano_server kopano-storeadm -Y -n user13
+    exit-code: 0
+    stdout:
+      not-contains:
+        - "Inbox"
+        - "Drafts"
+      contains:
+        - "Posteingang"
+    stderr:
+      contains:
+        - The -l option was not specified; "de_DE.UTF-8" will be used as language
 config:
   env:
     PATH: ${PATH}