Yvonne Musonda-Malata will appear the hearing again tomorrow, when the Nursing and Midwifery Council will have to decide whether she will be punished. She had to rush from the hearing room last week after breaking down in tears, saying:
My life has nosedived into what I can only describe as a nightmare. I kept hoping it would be over, but it went from bad to worse.
More top news
The 34-year-old from Coulsdon in Surrey died during the private party in Headley in the early hours of Monday, Surrey Police said.
The Home Office made the arrests at various restaurants across London on July 4.
Mayor of Newham Sir Robin Wales criticised the International Olympic Committee on the fourth anniversary of the opening ceremony.