Updating CentOS 8 setfile in Travis config to mount /sys/fs/cgroup volume

Author: nmaludy

.sync.yml

@@ -8,8 +8,8 @@
     - set: ubuntu1804-64
     - set: centos6-64
     - set: centos7-64
-    # RabbitMQ fails to start via systemd unless /sys/fs/cgroup is mounted through from base host
-    - set: centos8-64{mount_folders=\{sysfscgroup=\{host_path=/sys/fs/cgroup,container_path=/sys/fs/cgroup,opts=ro\}\}}
+    # RabbitMQ fails to start via systemd unless /sys/fs/cgroup is mounted through from obase host
+    - set: centos8-64{mount_folders={sysfscgroup={host_path=/sys/fs/cgroup\,container_path=/sys/fs/cgroup\,opts=ro}}}
 appveyor.yml:
   delete: true
 spec/spec_helper.rb:

.travis.yml

@@ -73,11 +73,11 @@ jobs:
     services: docker
   - rvm: 2.5.3
     bundler_args: --without development release
-    env: BEAKER_PUPPET_COLLECTION=puppet5 BEAKER_setfile=centos8-64 CHECK=beaker
+    env: BEAKER_PUPPET_COLLECTION=puppet5 BEAKER_setfile=centos8-64{mount_folders=\{sysfscgroup=\{host_path=/sys/fs/cgroup,container_path=/sys/fs/cgroup,opts=ro\}\}} CHECK=beaker
     services: docker
   - rvm: 2.5.3
     bundler_args: --without development release
-    env: BEAKER_PUPPET_COLLECTION=puppet6 BEAKER_setfile=centos8-64 CHECK=beaker
+    env: BEAKER_PUPPET_COLLECTION=puppet6 BEAKER_setfile=centos8-64{mount_folders=\{sysfscgroup=\{host_path=/sys/fs/cgroup,container_path=/sys/fs/cgroup,opts=ro\}\}} CHECK=beaker
     services: docker
 branches:
   only: