Manual test cases:

open tab a,b,c,d
activate a
ctrl-w
ctrl-w
expect c is shown and is the only highlight in tabview

open tab a,b,c,d
activate a
mouse close a
mouse close b
expect c is shown and is the only highlight in tabview

open tab a,b,c,d
activate c
mouse close a
expect c is shown and is the only highlight in tabview
alt-1
expect b is shown and is the only highlight in tabview

open tab a,b,c,d
activate c
mouse close a
expect c is shown and is the only highlight in tabview
mouse activate b
expect b is shown and is the only highlight in tabview

open tab a,b,c,d,e
activate c
ctrl-w
ctrl-w
ctrl-w
expect d is shown and is the only highlight in tabview
ctrl-w
expect e is shown and tabview is hided

Thanks @zadjii. Is there any thing need to be changed? @miniksa

Closing since the related issue #816 is closed.

Sorry, @bef178, I get a ton of mail these days. I didn't get back to this until now. It looks like there was another pull that solved this.