This test checks that grid items positioning works as expected with orthogonal flows.

HORIZONTAL-TB container with VERTICAL-LR items.

X X X X X X
X X X X X X
X X X X X X
X X X X X X

HORIZONTAL-TB container with VERTICAL-RL items.

X X X X X X
X X X X X X
X X X X X X
X X X X X X

VERTICAL-LR container with HORIZONTAL-TB items.

X X X X X X
X X X X X X
X X X X X X
X X X X X X

VERTICAL-RL container with HORIZONTAL-TB items.

X X X X X X
X X X X X X
X X X X X X
X X X X X X