Add: Acceptance test for automatic canonification of classes

When classes are automatically classified errors should not be generated.

Ref: https://dev.cfengine.com/issues/6566
Differing indentation from the prefix case.

I would be inclined to put this long comment in one place, at the top of the file, as a comment on the policy, explaining the nature of the tests. (`# The classes in bundle agent test should be auto-canonified; any indication ...`)  Make do with a terse comment here, such as `Canonifying this shouldn't provoke info Log()ging.`