[FIX] web: prevent some rpcs in tests
[FIX] web: prevent some rpcs in tests

each time a js test is run, it used to start the chat manager, which
does a rpc.  This simply prevent the chat manager to start.

hip-odoo/odoo,ygol/odoo,ygol/odoo,hip-odoo/odoo,ygol/odoo,dfang/odoo,ygol/odoo,hip-odoo/odoo,hip-odoo/odoo,dfang/odoo,dfang/odoo,hip-odoo/odoo,hip-odoo/odoo,dfang/odoo,ygol/odoo,dfang/odoo,dfang/odoo,ygol/odoo,ygol/odoo