'flip-block', 'position-area', 'left bottom', 'left top');
test_computed_value('flip-block', 'position-area', 'right bottom', 'right top');
test_computed_value('flip-block', 'position-area', 'right top', 'right bottom');

test_computed_value('flip-block flip-inline', 'position-area', 'left top', 'right bottom');
test_computed_value('flip-block flip-inline', 'position-area', 'left bottom', 'right top');
test_computed_value('flip-block flip-inline', 'position-area', 'right bottom', 'left top');
test_computed_