No. Like a driving test, the assessment takes place on a pre-planned route and the Driving Advisor will give clear directional instructions, however, the assessment is not as prescriptive and differs in other ways.
Many experienced drivers over the years develop habits, both good and bad, providing these habits or driving styles are safe, this will not have an impact on the outcome of the assessment. It is important however that the driver can demonstrate safe and independent driving.
There will not be a Highway Code test as such, however, you will be expected to keep to the speed limits and react to all road traffic signs and markings appropriately.