rtl page, ltr div, table
Test passes if:
A. The visual order of words in a cell is Arabic (مكتب), English (W3C), Hebrew (הישראלי)
B. The visual order of columns is 1, 2, 3
C. The numbers are left-aligned.
D. The table is left-aligned on the page.
مكتب W3C הישראלי
| 1 | 2 | 3 |
| مكتب W3C הישראלי | مكتب W3C הישראלי | مكتب W3C הישראלי |

Assertion: When dir="rtl" is added to a div in a rtl context, for tables in the div (a) directional runs in a table are ordered left-to-right, (b) columns run left-to-right, (c) text is left-aligned within cells, and (d) the table is left-aligned on the page.
= means you should check that the test and reference graphic look the same, except for font differences and cursive joining behavior.