[web test] repair test broken by 0872ac2a1db0
after the above cset, during test instance's url is set before the creation of
core entities (ie created at database initialization), hence they have now a
valid cwuri.
sync_schema_props_perms(('State', 'state_of', 'Workflow'), commit=False)
sync_schema_props_perms(('State', 'name', 'String'))