You will need a font that allows you to distinguish Hebrew characters.
bdo, dir rtl
Test passes if the characters are in the same order.
Assertion: The bdo element with dir set to rtl causes all contained text to ignore the bidirectional algorithm and displays all characters from right to left.
= means you should check that the test and reference graphic look the same, except for font differences and cursive joining behavior. If they are different, use the addition instructional text to check for differences that are significant to the test.