fix(test): clean_db fixtures does not break if table is missing #8054
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When you import a custom model, it's registered inside SQLAlchemy's metadata. After this,
clean_db
fixture executesDELETE FROM ...
for this table.If a custom model gets imported but its table does not exist(for example, you imported a helper function from the module, that contains a custom model),
clean_db
raises ProgrammingError and breaks the test.After this change, non-existing tables will be ignored.