[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.

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sync_schema_props_perms('cw_source', syncprops=False)

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if schema['BigInt'].eid is None:

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    add_entity_type('BigInt')