erp5testnode: add slapos.cookbook dependencies.

Explicitely list them, because develop egg doesn't not guarantee respect of dependencies.

software/erp5testnode/software.cfg

@@ -45,7 +45,12 @@ eggs =
   zc.buildout
   slapos.libnetworkcache
   slapos.core
+  jsonschema
+  hexagonit.recipe.download
+  netaddr
   inotifyx
+  lock_file
+  pytz
   erp5.util
   PyXML
 
@@ -70,10 +75,11 @@ recipe = slapos.recipe.template
 url = ${:_profile_base_location_}/instance-default.cfg
 output = ${buildout:directory}/template-default.cfg
 mode = 0644
-md5sum = b4556610d17ae769d759c49b0955b63e 
+md5sum = b4556610d17ae769d759c49b0955b63e
 
 [versions]
 PyXML = 0.8.5
 erp5.util = 0.4.41
 plone.recipe.command = 1.1
 slapos.recipe.template = 2.5
+jsonschema = 2.4.0