[minor] cleanup after test

Author: paulfantom

.travis/test.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 
 if [ "$TRAVIS_PULL_REQUEST" == "false" ]; then
-	tox -- molecule test --all --destroy never
+	tox -- molecule test --all
 else
 	tox -- molecule test -s default --destroy always
 	tox -- molecule test -s alternative --destroy never