Add income service test function

src/main/java/com/faf223/expensetrackerfaf/model/IncomeCategory.java

@@ -3,10 +3,16 @@ package com.faf223.expensetrackerfaf.model;
 import jakarta.persistence.*;
 import jakarta.validation.constraints.NotEmpty;
 import jakarta.validation.constraints.NotNull;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
 import lombok.Data;
+import lombok.NoArgsConstructor;
 
 @Data
 @Entity(name = "income_categories")
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
 public class IncomeCategory implements IMoneyTransactionCategory {
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)