feat(party): PartyServiceTest 작성

Author: BackSeungBeom

src/main/java/back/kalender/global/common/Enum/Gender.java

@@ -6,7 +6,7 @@
 public enum Gender {
     MALE("남성"),
     FEMALE("여성"),
-    NONE("무관");
+    ANY("무관");
 
     private final String description;