The former girl band singer is accused of having unprotected sex on five occasions without letting her lovers know she was infected with the virus, which causes AIDS.
One of her partners was subsequently confirmed as being HIV positive.
Benaissa is facing between six months and ten years in prison.
The ex-member of all-female pop group No Angels, was arrested last April and charged in February this year with causing bodily harm.
According to the charge sheet, she had unprotected sex on five occasions between 2000 and 2004 with three people.
She did not tell any of her partners she was infected, even though she had known since 1999.
No Angels shot to fame in 2000 thanks to a television talent show and had a string of hits in central Europe before splitting up in 2003.
The group reformed in 2007 and competed in the 2008 Eurovision Song Contest.
