[CI] Fix testing in cephadm scenario

One missed previous scenario name occurence turned off OpenStack
testing in multinode scenario.
This patch to fix that.

Change-Id: I58275a2fa1490307858d45855255bb8e3a05043c

tests/run.yml

@@ -20,7 +20,7 @@
         need_build_image: false
         build_image_tag: "change_{{ zuul.change | default('none') }}"
         openstack_core_enabled: "{{ openstack_core_enabled }}"
-        openstack_core_tested: "{{ scenario in ['core', 'ceph-ansible', 'zun', 'cells', 'swift', 'linuxbridge', 'ovn'] }}"
+        openstack_core_tested: "{{ scenario in ['core', 'cephadm', 'zun', 'cells', 'swift', 'linuxbridge', 'ovn'] }}"
         dashboard_enabled: "{{ openstack_core_enabled or scenario in ['monasca'] }}"
         upper_constraints_file: "{{ ansible_env.HOME }}/src/opendev.org/openstack/requirements/upper-constraints.txt"
         docker_image_tag_suffix: "{{ '-aarch64' if ansible_architecture == 'aarch64' else '' }}"