Download role (#3553)

* codestyle tests

* Download destination can be different than local_release_dir

tests/testcases/040_check-network-adv.yml

@@ -67,14 +67,16 @@
       delay: "{{ agent_report_interval }}"
       no_log: true
       failed_when: false
-      when: not agents.content=='{}'
+      when:
+        - agents.content != '{}'
 
     - debug: var=result.content|from_json
       failed_when: not result is success
       run_once: true
-      when: not agents.content=='{}'
+      when: not agents.content == '{}'
       delegate_to: "{{groups['kube-master'][0]}}"
 
     - debug: msg="Cannot get reports from agents, consider as PASSING"
       run_once: true
-      when: agents.content=='{}'
+      when:
+        - agents.content == '{}'