applied gemini code review suggestion

Signed-off-by: jarebudev <[email protected]>

Author: jarebudev

src/test/java/dev/openfeature/sdk/ObjectHookTest.java

@@ -6,7 +6,7 @@
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
-public class ObjectHookTest implements HookFixtures {
+class ObjectHookTest implements HookFixtures {
 
     private Hook<Object> hook;