ci: create logs directory for running tests

.gitlab-ci.yml

@@ -44,6 +44,7 @@ run_test_cases:
   before_script:
     - *install_requirements
   script:
+    - mkdir logs
     - make coverage
   coverage: '/(?i)total.*? (100(?:\.0+)?\%|[1-9]?\d(?:\.\d+)?\%)$/'
   artifacts: