Test passes if the two boxes below look exactly the same.
Key to entities used below: א - The Hebrew letter Alef (strongly RTL). ב - The Hebrew letter Bet (strongly RTL). ג - The Hebrew letter Gimel (strongly RTL).
DEF
אבגABC.
DEF
אבגABC.
DEF
אבגABC.
DEF
אבגABC.