Functests: pin support channels, cleanup

Change-Id: Ied88fe505855bcc0f0e01d00e5f671f629002e1c

src/tests/bundles/jammy-bobcat.yaml

@@ -18,13 +18,13 @@ applications:
 
   keystone-mysql-router:
     charm: ch:mysql-router
-    channel: latest/edge
+    channel: 8.0/edge
   glance-mysql-router:
     charm: ch:mysql-router
-    channel: latest/edge
+    channel: 8.0/edge
   cinder-mysql-router:
     charm: ch:mysql-router
-    channel: latest/edge
+    channel: 8.0/edge
 
   mysql-innodb-cluster:
     charm: ch:mysql-innodb-cluster
@@ -33,7 +33,7 @@ applications:
       - '0'
       - '1'
       - '2'
-    channel: 8.0.19/edge
+    channel: 8.0/edge
 
   keystone:
     charm: ch:keystone

src/tests/tests.yaml

@@ -1,11 +1,7 @@
 charm_name: ceph-rbd-mirror
 smoke_bundles:
-- focal-xena
+- jammy-antelope
 gate_bundles:
-- focal-xena
-- focal-xena-image-mirroring
-- impish-xena
-- impish-xena-image-mirroring
 - jammy-bobcat
 - mantic-bobcat
 comment: |