Interactions between <COL> visiblity:collapse, and table inline size

What happens to the table size when column collapses? Should the space taken up by the table remain the same, but the table iteslf should shrink?

Hovering over tables will turn off column collapsing

Tables to the right are absolutely positioned

absolute, right:0
caption
absolute, right:0

Inline tables

caption
after

td
after

Table as a flex item

td