public function provideTestBrokenCommunication()
{
return [[function (PHPRedisStorage $storage) {
$storage->bootstrap(1);
}], [function (PHPRedisStorage $storage) {
$storage->isBootstrapped();
}], [function (PHPRedisStorage $storage) {
$storage->remove();
}], [function (PHPRedisStorage $storage) {
$storage->setMicrotime(1);
}], [function (PHPRedisStorage $storage) {
$storage->getMicrotime();
}]];
}