public function setupAsHeadCoach()
{
$this->headCoach = User::where('email', DatabaseSeeder::HEAD_COACH_EMAIL)->first();
$this->group = Group::where('name', DatabaseSeeder::GROUP_NAME)->first();
$this->season = Season::orderBy('id', 'DESC')->first();
$this->actingAs($this->headCoach)->withSession([SessionManager::GROUP => $this->group->toArray(), SessionManager::SEASON => $this->season->toArray()]);
}