erp5: make runUnitTest start zserver on the partition IP

Default behavior of runUnitTest is to listen on 127.0.0.1, which is not
allowed for SlapOS instance.

stack/erp5/buildout.hash.cfg

@@ -82,7 +82,7 @@ md5sum = 3e650915959ff31c9c13c84069bbcd35
 
 [template-zope]
 filename = instance-zope.cfg.in
-md5sum = a4dda17c1671ead45ac92b7decc32228
+md5sum = 1417e754fecf274b32df977bd4134bce
 
 [template-balancer]
 filename = instance-balancer.cfg.in

stack/erp5/instance-zope.cfg.in

@@ -118,6 +118,7 @@ command-name = runUnitTest
 command-line-extra =
   --erp5_sql_connection_string '{{ connection_string_list[0] }}'
   --extra_sql_connection_string_list '{{ ','.join(connection_string_list[1:]) }}'
+  --zserver {{ ipv4 }}
 
 [{{ section('runTestSuite') }}]
 < = run-test-common