Sets up Drupal unit test environment.
Overrides DrupalUnitTestBase::setUp
DrupalUnitTestBase::$modules
DrupalUnitTestBase
function setUp() {
parent::setUp();
$this->storage = new FileStorage($this->configDirectories[CONFIG_ACTIVE_DIRECTORY]);
$this->invalidStorage = new FileStorage($this->configDirectories[CONFIG_ACTIVE_DIRECTORY] . '/nonexisting');
// FileStorage::listAll() requires other configuration data to exist.
$this->storage
->write('system.performance', config('system.performance')
->get());
}