Fix "slapos-sr-testing: Add caucase"

The caucase binary have to be explicitly provided.

This fixes commit 79ccddeb

software/slapos-sr-testing/software.cfg

@@ -298,6 +298,7 @@ eggs = ${python-interpreter:eggs}
 scripts =
   slapos
   supervisord
+  caucase
 
 [git-clone-repository]
 recipe = slapos.recipe.build:gitclone

[Jérome Perrin]

@luke if it helps, in ERP5 tests we have classes to manage a caucase service and get a certificate. It's using caucase from the software release. If you think it can be helpful in other contexts, we can maybe move this to a shared place - but if it's not just ignore this message :)

[Vincent Pelletier]

caucase unit test itself has such code, maybe it could be split into a "test library" and a unit test. The test library would be considered API and could provide such functions (so with care taken for reusability and interface stability). The unit test would still not be considered API.