update full-width tests.

* update tests and reference to use vertical-rl per suggestion from editor.
* use text-combine-upright: all mainly where possible
* add tcu: all + tt: full-width case as 002 (former 002 is now 003)
* small editorial changes.
Merge pull request #563 from myakura/myakura/text-combine-upright-9_1_3_1

Reviewed LGTM. CSS Writing Modes: tests for `text-combine-upright` on fullwidth characters