merge with 3.21.3 The change in unittest_serverctl.py is needed because of daef7ce08fea (from 3.20.11) and 3914388b2d0f (from the 3.22 branch). Due to both changes, CubicWebTC.config.repository no longer creates a new repository (and thus, a new connection). Since both DBDumpCommand and CubicWebTC.tearDown try to shutdown the repo, tearDown breaks apart. The solution is to temporarily disable ServerConfiguration's config cache. By forcing DBDumpCommand to get a new configuration object, it then gets its own Repo object, allowing tearDown and DBDumpCommand to work independently.

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sync_schema_props_perms('cwuri')

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helper = repo.system_source.dbhelper

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cu = session.cnxset.cu

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helper.set_null_allowed(cu, 'moved_entities', 'extid', 'VARCHAR(256)', False)

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commit()