text-align-last: start

This test checks that text-align-last property works properly.
The last line of each case should be aligned to start side.
LTR align is start align-last is start.
LTR align is end align-last is start.
LTR align is right align-last is start.
LTR align is left align-last is start.
RTL align is start align-last is start.
RTL align is end align-last is start.