'application/json', ]; public function setUp(): void { parent::setUp(); Event::fake(ActivityLogged::class); } /** * Return an ISO-8601 formatted timestamp to use in the API response. */ protected function formatTimestamp(string $timestamp): string { return CarbonImmutable::createFromFormat(CarbonImmutable::DEFAULT_TO_STRING_FORMAT, $timestamp) ->setTimezone(BaseTransformer::RESPONSE_TIMEZONE) ->toIso8601String(); } }