Merge pull request #792 from ricardobranco777/fix_multi

Revert "containers: Schedule multi_runtime via CONTAINER_TESTS var"

Author: ricardobranco777

job_groups/opensuse_tumbleweed.yaml

@@ -427,7 +427,7 @@ scenarios:
       - container_host_multi_runtime:
           testsuite: extra_tests_textmode_containers
           settings:
-            CONTAINER_TESTS: 'multi_runtime'
+            CONTAINER_RUNTIMES: 'multi_runtime'
             QEMUCPUS: '2'
       - container_host_docker_apparmor:
           testsuite: extra_tests_textmode_containers