Wimbledon will be upping its drug - testing measures .
The AELTC would not say yesterday how much extra was being spent on doping controls or staffing , but players will not be notified beforehand of the additional tests .
Wimbledon will be upping its drug - testing measures but the AELTC would not say yesterday how much extra was being spent on doping controls or staffing , but players will not be notified beforehand of the additional tests .