Apply Yamlfix format changes.

Author: B00885424

.fixtures.yml

@@ -20,4 +20,4 @@ fixtures:
     node_manager: https://github.com/puppetlabs/puppetlabs-node_manager.git
   symlinks:
     peadm: '#{source_dir}'
-    peadm_spec: '#{source_dir}/spec/acceptance/peadm_spec'
+    peadm_spec: '#{source_dir}/spec/acceptance/peadm_spec'