You will need a font that allows you to distinguish between Arabic and Hebrew.
ltr context, rtl table
Test passes if:
A. The visual order of words in a cell is Hebrew (הישראלי), English (W3C), Arabic (مكتب)
B. The visual order of columns is 3, 2, 1
C. The numbers are right-aligned.
D. The table is left-aligned on the page.
| 1 | 2 | 3 |
| مكتب W3C הישראלי | مكتب W3C הישראלי | مكتب W3C הישראלי |

Assertion: When dir="rtl" is added to a table in a ltr context, (a) directional runs in a table are ordered right-to-left, (b) columns run right-to-left, (c) text is right-aligned within cells, and (d) the table is left-aligned on the page.
Notes:
The order of directional runs in memory is always: Arabic (مكتب) English (W3C) Hebrew (הישראלי).
= 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.