Added config settings to resolve and test #12021

"mon debug unsafe allow tier with nonempty snaps: true"
(only for firefly-x, giant-x and upgrade/hammer/point-to-point running againts hammer branch)

Signed-off-by: Yuri Weinstein <yweinste@redhat.com>

suites/upgrade/firefly-x/parallel/0-cluster/start.yaml

@@ -21,3 +21,4 @@ overrides:
     conf:
       mon:
         mon warn on legacy crush tunables: false
+        mon debug unsafe allow tier with nonempty snaps: true

suites/upgrade/giant-x/parallel/0-cluster/start.yaml

@@ -21,3 +21,4 @@ overrides:
     conf:
       mon:
         mon warn on legacy crush tunables: false
+        mon debug unsafe allow tier with nonempty snaps: true

suites/upgrade/hammer/point-to-point/point-to-point.yaml

@@ -5,6 +5,8 @@ overrides:
     - osd_map_max_advance
     fs: xfs
     conf:
+      mon:
+        mon debug unsafe allow tier with nonempty snaps: true
       osd:
         osd map max advance: 1000
 roles: