You should present for testing uninjured and well recovered to be able to perform at your desired intensity. You should present in a well hydrated state.
Maintain water and electrolyte intake the day prior to testing and the day of testing.
Consume 250-500ml of water per hour in the 2hr prior to testing if possible.
Ensure you have filled out and emailed back your pre-test questionnaire.
A warmup to induce pre-sweating is part of your test, however you may arrive 10mins early to undertake further preparation / loosening up etc.