InvenioConnector: regression tests fix

* Addresses issue with login method in WebAccount form.

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
BibCirculation: after demosite populate receiver

* Adds receiver after demosite populate to fill BibCirculation tables
  dependend on records.

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
WebSession: Flask-Login session fix

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
WebSession: regression tests fix

* Addresses issue with 401 errors when guest user is accessing pages in
  tests (switched to 'admin').

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
WebSession: fix user settings edit url

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
BibFormat: fix of page context test

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
WebSearch: regression tests fix

* There are still few tests failing due to different UI.

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
WebSubmit: regression tests fix

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
BibCiculation: fix for missing app ctx in handler

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
testutils: fix for client login https scheme usage

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
force https
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