fix test: editing in the popup window has to be cancelled (not saved)
fix test: editing in the popup window has to be cancelled (not saved)

No data is input in the popup, i.e., when trying to save, the editor
shows validation errors. No idea why this has worked previously …
zeehio/META-SHARE,JuliBakagianni/META-SHARE,MiltosD/CEFELRC,MiltosD/CEF-ELRC,MiltosD/CEFELRC,JuliBakagianni/CEF-ELRC,JuliBakagianni/META-SHARE,zeehio/META-SHARE,JuliBakagianni/CEF-ELRC,MiltosD/CEFELRC,zeehio/META-SHARE,JuliBakagianni/META-SHARE,JuliBakagianni/META-SHARE,MiltosD/CEF-ELRC,zeehio/META-SHARE,MiltosD/CEF-ELRC,MiltosD/CEFELRC,JuliBakagianni/META-SHARE,MiltosD/CEFELRC,zeehio/META-SHARE,MiltosD/CEF-ELRC,MiltosD/CEF-ELRC,JuliBakagianni/CEF-ELRC,MiltosD/CEF-ELRC,JuliBakagianni/CEF-ELRC,JuliBakagianni/CEF-ELRC,JuliBakagianni/META-SHARE,MiltosD/CEF-ELRC,MiltosD/CEFELRC,JuliBakagianni/META-SHARE,JuliBakagianni/CEF-ELRC,zeehio/META-SHARE,zeehio/META-SHARE,MiltosD/CEFELRC,JuliBakagianni/CEF-ELRC