workflows: Revert "Skip system tests for ceph and lvm on push and sch…

…edule."

This reverts commit 83dac0d.

Signed-off-by: Wesley Hershberger <wesley.hershberger@canonical.com>

.github/workflows/tests.yml

@@ -230,29 +230,13 @@ jobs:
         go: ["1.22.x"]
         suite: ["cluster", "standalone"]
         backend: ["dir", "btrfs", "lvm", "zfs", "ceph", "random"]
-        event_name:
-         - ${{ github.event_name }}
         include:
           - go: stable
             suite: cluster
             backend: dir
           - go: stable
             suite: standalone
             backend: dir
-        # FIXME: These exclusions must be removed when https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2081231 is fixed.
-        exclude:
-          - event_name: push
-            backend: ceph
-          - event_name: push
-            backend: lvm
-          - event_name: push
-            backend: random
-          - event_name: schedule
-            backend: ceph
-          - event_name: schedule
-            backend: lvm
-          - event_name: schedule
-            backend: random
 
     steps:
       - name: Checkout