JOHANNESBURG – The National Assembly Speaker will find out on Tuesday if her urgent court application to block he arrest has been successful or not.Nosiviwe Mapisa-Nqakula wants the court to order law enforcement authorities to summon her to court, rather than arresting her, on the preferred date of 3 April, when her lawyer Stephen May is available.She is set to be charged with 12 counts of corruption for allegedly receiving gratifications,amounting to just over R4.5 million.