Actress Erika Sawajiri, arrested for allegedly possessing the synthetic drug MDMA, has tested negative in a urine test for MDMA and other illegal drugs, police said Wednesday.After she was arrested last week, the 33-year-old told investigators that she obtained MDMA from an acquaintance a few weeks ago at a nightclub and admitted to taking the drug, also called Ecstasy.MDMA usually goes out of a person's system within two to three days after taking it, and Sawajiri took the test on a voluntary basis on Saturday, the day she was arrested, according to the Metropolitan Police Department.The p…READ FULL ARTICLE