Remove mockito as dep - didn't use it
diff --git a/pubspec.yaml b/pubspec.yaml
index c26017a..9613c34 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -14,6 +14,5 @@
   path: ^1.8.0-nullsafety
 
 dev_dependencies:
-  mockito: ^5.0.0-nullsafety.7
   pedantic: ^1.9.0
   test: ^1.16.0-nullsafety