scalability_testnode: fixing SR

software_release/software_testnode.cfg

@@ -51,13 +51,13 @@ scripts =
 
 [template]
 recipe = slapos.recipe.template
-url = ${:_profile_base_location_}/instance.cfg
+url = https://lab.nexedi.com/nexedi/slapos/raw/master/software/erp5testnode/instance.cfg 
 output = ${buildout:directory}/template.cfg
 mode = 0644
 
 [template-default]
 recipe = slapos.recipe.template
-url = ${:_profile_base_location_}/instance-default.cfg
+url = https://lab.nexedi.com/nexedi/slapos/raw/master/software/erp5testnode/instance-default.cfg 
 output = ${buildout:directory}/template-default.cfg
 mode = 0644