diff --git a/tests/FakeEventRepository.php b/tests/FakeEventRepository.php
index f082305..af4a378 100644
--- a/tests/FakeEventRepository.php
+++ b/tests/FakeEventRepository.php
@@ -9,15 +9,15 @@ use Tightenco\Collect\Support\Collection;
 
 final class FakeEventRepository implements EventRepository
 {
-    public function getConfirmedAttendees(): Collection {
-        $rsvps = Collection::make([
-            ['name' => 'matthew s.', 'response' => 'yes'],
-            ['name' => 'Michael P.', 'response' => 'yes'],
-            ['name' => 'Kathryn "Kat" R.', 'response' => 'yes'],
-            ['name' => 'Did not attend', 'response' => 'no'],
-        ]);
+    private static array $rsvps = [
+        ['name' => 'matthew s.', 'response' => 'yes'],
+        ['name' => 'Michael P.', 'response' => 'yes'],
+        ['name' => 'Kathryn "Kat" R.', 'response' => 'yes'],
+        ['name' => 'Did not attend', 'response' => 'no'],
+    ];
 
-        return $rsvps
+    public function getConfirmedAttendees(): Collection {
+        return Collection::make(self::$rsvps)
             ->filter(fn (array $attendee): bool => $attendee['response'] == 'yes')
             ;
     }