public function testIsAuthenticated()
{
$user = User::logIn("alice", "blabla");
$this->assertTrue($user->isAuthenticated());
$user->mergeAfterFetch(array("sessionToken" => "invalid-token"));
$this->assertFalse($user->isAuthenticated());
$user = new User();
$this->assertFalse($user->isAuthenticated());
}
