I don't believe that for a moment! A breve should play for its proper length. If you want to include a different performance then use the following technique which can shorten or lengthen the bar appropriately, and even space the lyrics properly.
!NoteWorthyComposerClip(2.0,Single)
|Clef|Type:Treble
|TimeSig|Signature:4/4
|Chord|Dur:Half|Pos:0z|Opts:Stem=Up,StemLength=0|Dur2:Whole|Pos2:0
|Note|Dur:8th|Pos:0z|Opts:Stem=Up,StemLength=0
|Note|Dur:8th|Pos:0z|Opts:Stem=Up,StemLength=0
|Note|Dur:8th|Pos:0z|Opts:Stem=Up,StemLength=0
|Note|Dur:8th|Pos:0z|Opts:Stem=Up,StemLength=0
|Note|Dur:4th|Pos:0z|Opts:Stem=Up
!NoteWorthyComposerClip-End