Override 'aptly_server_address' in the model with correct value

Change-Id: I59638c9ec6a3dd8e0db698a11a2eac2e730424ea
diff --git a/tcp_tests/templates/virtual-mcp-ocata-ceph-offline/salt.yaml b/tcp_tests/templates/virtual-mcp-ocata-ceph-offline/salt.yaml
index 8db43cf..533c98e 100644
--- a/tcp_tests/templates/virtual-mcp-ocata-ceph-offline/salt.yaml
+++ b/tcp_tests/templates/virtual-mcp-ocata-ceph-offline/salt.yaml
@@ -64,6 +64,7 @@
 - description: 'Workaround of local_repo_url - set to offline image repository structure'
   cmd: |
     find /srv/salt/reclass/classes/cluster -type f -exec sed -i 's/local_repo_url: .*/local_repo_url: mirror.mcp.mirantis.local.test/g' {} +
+    find /srv/salt/reclass/classes/cluster -type f -exec sed -i 's/aptly_server_address: .*/aptly_server_address: {{ os_env('HOST_APT') }}/g' {} +
   node_name: {{ HOSTNAME_CFG01 }}
   retry: {count: 1, delay: 10}
   skip_fail: false