chore: update search events check

Author: TheUnderScorer

run_checks.php

@@ -90,6 +90,9 @@
 
     /** @var SearchEventsResponse $result */
     list($result, $response) = $client->searchEvents(10, null, null, null, null, $start->getTimestamp() * 1000, $end->getTimestamp() * 1000);
+    if (!is_countable($result->getEvents()) || count($result->getEvents()) === 0) {
+        throw new Exception('No events found');
+    }
     fwrite(STDOUT, sprintf("\n\nGot events: %s \n", $response->getBody()->getContents()));
 } catch (Exception $e) {
     fwrite(STDERR, sprintf("\n\nException when calling FingerprintApi->searchEvents: %s\n", $e->getMessage()));