tests: cat the contents of lv-create.log in infra_lv_create

Signed-off-by: Andrew Schoen <aschoen@redhat.com>
(cherry picked from commit f5a4c89869)
Signed-off-by: Sébastien Han <seb@redhat.com>

tox.ini

@@ -12,6 +12,7 @@ whitelist_externals =
     bash
     cp
     mkdir
+    cat
 passenv=*
 setenv=
   ANSIBLE_SSH_ARGS = -F {changedir}/vagrant_ssh_config
@@ -36,6 +37,8 @@ commands=
   cp {toxinidir}/infrastructure-playbooks/lv-teardown.yml {toxinidir}/lv-teardown.yml
   ansible-playbook -vv -i {changedir}/hosts {toxinidir}/lv-teardown.yml --extra-vars "ireallymeanit=yes"
 
+  cat {toxinidir}/lv-create.log
+
   vagrant destroy --force
 
 # extra commands for purging clusters