public function testWhosOnlineBlock() { $request_time = \Drupal::
time()->
getRequestTime();
// Generate users.
$user1 = User::
create([ 'name' => 'user1',
'mail' => 'user1@example.com',
]);
$user1->
addRole('administrator'
);
$user1->
activate();
$user1->
setLastAccessTime($request_time);
$user1->
save();
$user2 = User::
create([ 'name' => 'user2',
'mail' => 'user2@example.com',
]);
$user2->
activate();
$user2->
setLastAccessTime($request_time + 1
);
$user2->
save();
$user3 = User::
create([