scalability: fixed versions and workaround in software configuration

software/erp5testnode/software.cfg

@@ -13,6 +13,7 @@ extends =
 
 parts =
   slapos-cookbook
+  slapos-cookbook-develop
   template
   lxml-python
   eggs
@@ -20,11 +21,15 @@ parts =
   git
   apache
 
+[slapos.cookbook-repository]
+revision = 9d1048222ee06e120ca8977a0a54332804caa8ca
+
 [eggs]
 recipe = zc.recipe.egg
 eggs =
   ${lxml-python:egg}
   zc.buildout
+  z3c.etestbrowser
   slapos.libnetworkcache
   slapos.core
   supervisor
@@ -59,12 +64,13 @@ mode = 0644
 [versions]
 PyXML = 0.8.5
 erp5.util = 0.4.50
-slapos.recipe.template = 4.3
+slapos.recipe.template = 4.1
 ipython = 5.3.0
 apache-libcloud = 2.1.0
 gitdb2 = 2.0.2
 pyasn1 = 0.3.2
 smmap2 = 2.0.3
+zope.testbrowser = 5.2.1
 
 # Required by:
 # slapos.toolbox==0.70