Place: Select a reserved, comfortable and well lit space, with access to both the electrical grid e data network, including Wi-Fi. Is you suspect of a network connection failure during the test, get to now alternative solutions, you may resort to.
Cohabitants: Inform those who live you, regarding the place, date and time you will take the test. Ask them not to move around that place and to avoid using the Wi-Fi network, during that period.