ci: Fix non failing integration tests

Remove { } from runme.sh files to avoid failures being masked.
Re-add install of ansible.posix to have the
ansible.posix.profile_task callback available.

Signed-off-by: Felix Matouschek <fmatouschek@redhat.com>

tests/integration/targets/inventory_kubevirt/runme.sh

@@ -7,7 +7,6 @@ export ANSIBLE_ROLES_PATH="../"
 USER_CREDENTIALS_DIR=$(pwd)
 export USER_CREDENTIALS_DIR
 
-{
 export ANSIBLE_CALLBACKS_ENABLED=profile_tasks
 export ANSIBLE_INVENTORY_ENABLED=kubevirt.core.kubevirt,yaml
 export ANSIBLE_PYTHON_INTERPRETER=auto_silent
@@ -21,7 +20,3 @@ ansible-inventory -i test.label.kubevirt.yml -y --list --output label.yml "$@"
 ansible-inventory -i test.net.kubevirt.yml -y --list --output net.yml "$@"
 
 ansible-playbook verify.yml "$@"
-
-} || {
-    exit 1
-}