Install the Code2000 font to view the results.
chinese
Test passes if the order of characters and paragraphs and the angle of characters is the same.

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Assertion: Setting writing-mode to tb-rl will cause Chinese text to run vertically down the left size of a box, with upright characters, and wrap to the left, and cause paragraphs to flow to the left.
= means you should check that the test and reference graphic look the same. If not, check the instruction text.