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There won't be any `a` tag for the State column as it is a column
with no link for the given listbox(es), so just verify the value
of the text in it.

/reviewed-on nexedi/erp5!654

/reviewed-on nexedi/erp5!655

Also, remove the test from expected Failure for this case.

/reviewed-on nexedi/erp5!653

/reviewed-on nexedi/erp5!652

- server_id provided from server itself by getCurrentNode method of CMFActivity

/reviewed-on nexedi/erp5!651

- getCurrentNode method can be directly imported from CMFActivity
- corresponding unittests

/reviewed-on nexedi/erp5!647

-  [hal_json] distinguishes between REQUEST.form and REQUEST.other
-  [hal_json] byteify all keys and values before putting them into REQUEST
-  [renderjs_ui] dialog does not go to parent when validation fails
-  [hal_json] does not crash on direct traverse of a Script instead of a Dialog
-  [renderjs_ui_test] move the logging-out test to its isolated zuite so it does not cause problems

-  introspect any dialog method for `uids` argument
-  introspect any list_method inside dialog for `uid` argument
-  module-level Object JIO Actions are templated and they expect `query` parameter
-  use `form_id` to obtain previous search result
-  warn user when applying an action on unrestricted set of documents