Add a test for disabling puppet

Author: ehelms

bats/fb-test-puppet.bats

@@ -105,3 +105,14 @@ fi
   puppet agent -v -o --no-daemonize
   grep -i "property of the Foreman project" /etc/motd
 }
+
+@test "disable puppet" {
+  KATELLO_VERSION=$(tKatelloVersion)
+  if [[ $KATELLO_VERSION != 4.[3-9]* ]]; then
+    skip "Disabling Puppet explicitly is only supported with Katello 4.2 or older"
+  fi
+
+  if tForemanMaintainCommandAvailable 'plugin purge-puppet'; then
+    foreman-maintain plugin purge-puppet
+  fi
+}

bats/foreman_helper.bash

@@ -139,3 +139,11 @@ tWaitForTask() {
     sleep $(( next_wait_time++ ))
   done
 }
+
+tForemanMaintainCommandAvailable() {
+  if tForemanMaintainAvailable ; then
+    if ! foreman-maintain $1 --help ; then
+      skip "foreman-maintain $1 is not available"
+    fi
+  fi
+}