Do not discard model

Change-Id: I0c89d10754b0b5f8e6e3e969398c6dad83b1001f
diff --git a/playbooks/charm-cinder-storpool-iscsi/zaza-functional.yaml b/playbooks/charm-cinder-storpool-iscsi/zaza-functional.yaml
index 4fdeaef..229680b 100644
--- a/playbooks/charm-cinder-storpool-iscsi/zaza-functional.yaml
+++ b/playbooks/charm-cinder-storpool-iscsi/zaza-functional.yaml
@@ -25,7 +25,7 @@
         chdir: /home/ubuntu/src/spfactory.storpool.com/charm-cinder-storpool-iscsi
 
     - name: run func-target-discard-model
-      ansible.builtin.shell: tox -e func-target-discard-model {{ bundle }}
+      ansible.builtin.shell: tox -e func-target {{ bundle }}
       args:
         executable: /usr/bin/bash
         chdir: /home/ubuntu/src/spfactory.storpool.com/charm-cinder-storpool-iscsi