Test passes if there are three elements in a row when space allows. If not enough space to show all items in single row then blocks shall be replaced in two rows (1-2/3) or three rows (1,2,3). It shall not be free space left undistributed in the container (bluish box). Blocks in the same row have to be aligned on the same baseline.

0123456789ABCDEF

0123456789ABCDEF

0123456789ABCDEF