Fixed script error in Buttons.spec.js.
Fixed script error in Buttons.spec.js.

AshDevFr/winternote,AshDevFr/winternote,summernote/summernote,AshDevFr/winternote,summernote/summernote,bebeeteam/summernote,bebeeteam/summernote,summernote/summernote,bebeeteam/summernote