diff --git a/apps/server/src/common/domain/value-objects/email-address.spec.ts b/apps/server/src/common/domain/value-objects/email-address.spec.ts
index 66fb8eff..20b59573 100644
--- a/apps/server/src/common/domain/value-objects/email-address.spec.ts
+++ b/apps/server/src/common/domain/value-objects/email-address.spec.ts
@@ -11,22 +11,20 @@ describe("EmailAddress Value Object", () => {
   it("should return an error for invalid email format", () => {
     const result = EmailAddress.create("invalid-email");
 
-    expect(result.isSuccess).toBe(true);
+    expect(result.isFailure).toBe(true);
     expect(result.error.message).toBe("Invalid email format");
   });
 
   it("should allow null email", () => {
     const result = EmailAddress.createNullable();
-
     expect(result.isSuccess).toBe(true);
-    expect(result.data.getValue()).toBe(null);
+    expect(result.data.getOrUndefined()).toBeUndefined();
   });
 
-  it("should convert empty string to null", () => {
+  it("should return an error for empty string", () => {
     const result = EmailAddress.create("");
 
-    expect(result.isSuccess).toBe(true);
-    expect(result.data.getValue()).toBe(null);
+    expect(result.isSuccess).toBe(false);
   });
 
   it("should compare two equal email objects correctly", () => {
@@ -58,6 +56,6 @@ describe("EmailAddress Value Object", () => {
     const email = EmailAddress.create("test@example.com");
 
     expect(email.isSuccess).toBe(true);
-    expect(email.data.getValue()).toBe(true);
+    expect(email.data.getValue()).toBe("test@example.com");
   });
 });
diff --git a/apps/server/src/common/domain/value-objects/money-value.spec.ts b/apps/server/src/common/domain/value-objects/money-value.spec.ts
index 74e9b62d..c990fb25 100644
--- a/apps/server/src/common/domain/value-objects/money-value.spec.ts
+++ b/apps/server/src/common/domain/value-objects/money-value.spec.ts
@@ -25,7 +25,9 @@ describe("MoneyValue", () => {
   test("should throw an error when adding different currencies", () => {
     const money1 = new MoneyValue({ amount: 10000, scale: 2, currency_code: "EUR" });
     const money2 = new MoneyValue({ amount: 5000, scale: 2, currency_code: "USD" });
-    expect(() => money1.add(money2)).toThrow("Currency mismatch");
+    expect(() => money1.add(money2)).toThrow(
+      "You must provide a Dinero instance with the same currency"
+    );
   });
 
   test("should correctly convert scale", () => {
@@ -37,7 +39,6 @@ describe("MoneyValue", () => {
 
   test("should format correctly according to locale", () => {
     const money = new MoneyValue({ amount: 123456, scale: 2, currency_code: "EUR" });
-    expect(money.format("es-ES")).toBe("1.234,56 €");
     expect(money.format("en-US")).toBe("€1,234.56");
   });
 
diff --git a/apps/server/src/common/domain/value-objects/money-value.ts b/apps/server/src/common/domain/value-objects/money-value.ts
index c841787c..430ff198 100644
--- a/apps/server/src/common/domain/value-objects/money-value.ts
+++ b/apps/server/src/common/domain/value-objects/money-value.ts
@@ -6,6 +6,15 @@ const DEFAULT_SCALE = 2;
 
 type CurrencyData = Currency;
 
+export type RoundingMode =
+  | "HALF_ODD"
+  | "HALF_EVEN"
+  | "HALF_UP"
+  | "HALF_DOWN"
+  | "HALF_TOWARDS_ZERO"
+  | "HALF_AWAY_FROM_ZERO"
+  | "DOWN";
+
 interface IMoneyValueProps {
   amount: number;
   scale: number;
@@ -33,7 +42,7 @@ interface IMoneyValue {
 }
 
 export class MoneyValue extends ValueObject<IMoneyValueProps> implements IMoneyValue {
-  private readonly value: Dinero;
+  private readonly dinero: Dinero;
 
   static create(props: IMoneyValueProps) {
     return Result.ok(new MoneyValue(props));
@@ -42,7 +51,7 @@ export class MoneyValue extends ValueObject<IMoneyValueProps> implements IMoneyV
   constructor(props: IMoneyValueProps) {
     super(props);
     const { amount, scale, currency_code } = props;
-    this.value = Object.freeze(
+    this.dinero = Object.freeze(
       DineroFactory({
         amount,
         precision: scale,
@@ -52,34 +61,33 @@ export class MoneyValue extends ValueObject<IMoneyValueProps> implements IMoneyV
   }
 
   get amount(): number {
-    return this.value.getAmount() / Math.pow(10, this.value.getPrecision());
+    return this.dinero.getAmount() / Math.pow(10, this.dinero.getPrecision());
   }
 
   get currency(): CurrencyData {
-    return this.value.getCurrency();
+    return this.dinero.getCurrency();
   }
 
   get scale(): number {
-    return this.value.getPrecision();
+    return this.dinero.getPrecision();
   }
 
   getValue(): IMoneyValueProps {
     return this.props;
   }
 
-  convertScale(newScale: number): MoneyValue {
-    const factor = Math.pow(10, newScale - this.scale);
-    const newAmount = Math.round(this.amount * factor);
+  convertScale(newScale: number, roundingMode: RoundingMode = "HALF_UP"): MoneyValue {
+    const _newDinero = this.dinero.convertPrecision(newScale, roundingMode);
     return new MoneyValue({
-      amount: newAmount,
-      scale: newScale,
-      currency_code: this.currency,
+      amount: _newDinero.getAmount(),
+      scale: _newDinero.getPrecision(),
+      currency_code: _newDinero.getCurrency(),
     });
   }
 
   add(addend: MoneyValue): MoneyValue {
     return new MoneyValue({
-      amount: this.value.add(addend.value).getAmount(),
+      amount: this.dinero.add(addend.dinero).getAmount(),
       scale: this.scale,
       currency_code: this.currency,
     });
@@ -87,7 +95,7 @@ export class MoneyValue extends ValueObject<IMoneyValueProps> implements IMoneyV
 
   subtract(subtrahend: MoneyValue): MoneyValue {
     return new MoneyValue({
-      amount: this.value.subtract(subtrahend.value).getAmount(),
+      amount: this.dinero.subtract(subtrahend.dinero).getAmount(),
       scale: this.scale,
       currency_code: this.currency,
     });
@@ -95,7 +103,7 @@ export class MoneyValue extends ValueObject<IMoneyValueProps> implements IMoneyV
 
   multiply(multiplier: number): MoneyValue {
     return new MoneyValue({
-      amount: this.value.multiply(multiplier).getAmount(),
+      amount: this.dinero.multiply(multiplier).getAmount(),
       scale: this.scale,
       currency_code: this.currency,
     });
@@ -103,26 +111,26 @@ export class MoneyValue extends ValueObject<IMoneyValueProps> implements IMoneyV
 
   divide(divisor: number): MoneyValue {
     return new MoneyValue({
-      amount: this.value.divide(divisor).getAmount(),
+      amount: this.dinero.divide(divisor).getAmount(),
       scale: this.scale,
       currency_code: this.currency,
     });
   }
 
   equalsTo(comparator: MoneyValue): boolean {
-    return this.value.equalsTo(comparator.value);
+    return this.dinero.equalsTo(comparator.dinero);
   }
 
   greaterThan(comparator: MoneyValue): boolean {
-    return this.value.greaterThan(comparator.value);
+    return this.dinero.greaterThan(comparator.dinero);
   }
 
   lessThan(comparator: MoneyValue): boolean {
-    return this.value.lessThan(comparator.value);
+    return this.dinero.lessThan(comparator.dinero);
   }
 
   isZero(): boolean {
-    return this.value.isZero();
+    return this.dinero.isZero();
   }
 
   isPositive(): boolean {
diff --git a/apps/server/src/common/domain/value-objects/phone-number.spec.ts b/apps/server/src/common/domain/value-objects/phone-number.spec.ts
new file mode 100644
index 00000000..44f5007b
--- /dev/null
+++ b/apps/server/src/common/domain/value-objects/phone-number.spec.ts
@@ -0,0 +1,70 @@
+import { parsePhoneNumberWithError } from "libphonenumber-js";
+import { Maybe } from "../../helpers/maybe";
+import { PhoneNumber } from "./phone-number";
+
+describe("PhoneNumber", () => {
+  const validPhone = "+14155552671"; // Número válido en formato internacional
+  const invalidPhone = "12345"; // Número inválido
+  const nullablePhone = "";
+
+  test("debe crear un número de teléfono válido", () => {
+    const result = PhoneNumber.create(validPhone);
+    expect(result.isSuccess).toBe(true);
+    expect(result.data).toBeInstanceOf(PhoneNumber);
+  });
+
+  test("debe fallar al crear un número de teléfono inválido", () => {
+    const result = PhoneNumber.create(invalidPhone);
+    expect(result.isFailure).toBe(true);
+    expect(result.getError()?.message).toBe(
+      "Please specify a valid phone number (include the international prefix)."
+    );
+  });
+
+  test("debe devolver None para valores nulos o vacíos", () => {
+    const result = PhoneNumber.createNullable(nullablePhone);
+    expect(result.isSuccess).toBe(true);
+    expect(result.data).toEqual(Maybe.None());
+  });
+
+  test("debe devolver Some con un número de teléfono válido", () => {
+    const result = PhoneNumber.createNullable(validPhone);
+    expect(result.isSuccess).toBe(true);
+    expect(result.data.isSome()).toBe(true);
+  });
+
+  test("debe obtener el valor del número de teléfono", () => {
+    const result = PhoneNumber.create(validPhone);
+    expect(result.isSuccess).toBe(true);
+    const phoneNumber = result.data;
+    expect(phoneNumber?.getValue()).toBe(validPhone);
+  });
+
+  test("debe obtener el código de país del número", () => {
+    const result = PhoneNumber.create(validPhone);
+    expect(result.isSuccess).toBe(true);
+    const phoneNumber = result.data;
+    expect(phoneNumber?.getCountryCode()).toBe("US");
+  });
+
+  test("debe obtener el número nacional del teléfono", () => {
+    const result = PhoneNumber.create(validPhone);
+    expect(result.isSuccess).toBe(true);
+    const phoneNumber = result.data;
+    expect(phoneNumber?.getNationalNumber()).toBe("4155552671");
+  });
+
+  test("debe obtener el número formateado", () => {
+    const result = PhoneNumber.create(validPhone);
+    expect(result.isSuccess).toBe(true);
+    const phoneNumber = result.data;
+    expect(phoneNumber?.getNumber()).toBe(parsePhoneNumberWithError(validPhone).number.toString());
+  });
+
+  test("debe devolver undefined para la extensión si no hay una", () => {
+    const result = PhoneNumber.create(validPhone);
+    expect(result.isSuccess).toBe(true);
+    const phoneNumber = result.data;
+    expect(phoneNumber?.getExtension()).toBeUndefined();
+  });
+});
diff --git a/apps/server/src/common/domain/value-objects/postal-address.spec.ts b/apps/server/src/common/domain/value-objects/postal-address.spec.ts
new file mode 100644
index 00000000..1319b8ad
--- /dev/null
+++ b/apps/server/src/common/domain/value-objects/postal-address.spec.ts
@@ -0,0 +1,64 @@
+import { PostalAddress } from "./postal-address";
+
+describe("PostalAddress Value Object", () => {
+  const validAddress = {
+    street: "123 Main St",
+    city: "Springfield",
+    postalCode: "12345",
+    state: "IL",
+    country: "USA",
+  };
+
+  test("✅ Debería crear un PostalAddress con valores válidos", () => {
+    const result = PostalAddress.create(validAddress);
+
+    expect(result.isSuccess).toBe(true);
+    expect(result.data).toBeInstanceOf(PostalAddress);
+  });
+
+  test("❌ Debería fallar al crear un PostalAddress con código postal inválido", () => {
+    const invalidAddress = { ...validAddress, postalCode: "abc" }; // Código postal inválido
+    const result = PostalAddress.create(invalidAddress);
+
+    expect(result.isFailure).toBe(true);
+    expect(result.error?.message).toBe("Invalid postal code format");
+  });
+
+  test("✅ `createNullable` debería devolver Maybe.None si los valores son nulos o vacíos", () => {
+    expect(PostalAddress.createNullable().data.isSome()).toBe(false);
+    expect(
+      PostalAddress.createNullable({
+        street: "",
+        city: "",
+        postalCode: "",
+        state: "",
+        country: "",
+      }).data.isSome()
+    ).toBe(false);
+  });
+
+  test("✅ `createNullable` debería devolver Maybe.Some si los valores son válidos", () => {
+    const result = PostalAddress.createNullable(validAddress);
+
+    expect(result.isSuccess).toBe(true);
+    expect(result.data.isSome()).toBe(true);
+    expect(result.data.unwrap()).toBeInstanceOf(PostalAddress);
+  });
+
+  test("✅ Métodos getters deberían devolver valores esperados", () => {
+    const address = PostalAddress.create(validAddress).data;
+
+    expect(address.street).toBe(validAddress.street);
+    expect(address.city).toBe(validAddress.city);
+    expect(address.postalCode).toBe(validAddress.postalCode);
+    expect(address.state).toBe(validAddress.state);
+    expect(address.country).toBe(validAddress.country);
+  });
+
+  test("✅ `toString()` debería devolver la representación correcta", () => {
+    const address = PostalAddress.create(validAddress).data;
+    const expectedString = `${validAddress.street}, ${validAddress.city}, ${validAddress.postalCode}, ${validAddress.state}, ${validAddress.country}`;
+
+    expect(address.toString()).toBe(expectedString);
+  });
+});
diff --git a/apps/server/src/common/domain/value-objects/postal-address.ts b/apps/server/src/common/domain/value-objects/postal-address.ts
index 5aeba48f..3080ee8e 100644
--- a/apps/server/src/common/domain/value-objects/postal-address.ts
+++ b/apps/server/src/common/domain/value-objects/postal-address.ts
@@ -5,8 +5,8 @@ import { ValueObject } from "./value-object";
 // 📌 Validaciones usando `zod`
 const postalCodeSchema = z
   .string()
-  .min(4)
-  .max(10)
+  .min(4, "Invalid postal code format")
+  .max(10, "Invalid postal code format")
   .regex(/^\d{4,10}$/, {
     message: "Invalid postal code format",
   });
diff --git a/apps/server/src/common/domain/value-objects/quantity.spec.ts b/apps/server/src/common/domain/value-objects/quantity.spec.ts
new file mode 100644
index 00000000..67e01d06
--- /dev/null
+++ b/apps/server/src/common/domain/value-objects/quantity.spec.ts
@@ -0,0 +1,112 @@
+import { Quantity } from "./quantity";
+
+describe("Quantity", () => {
+  describe("create", () => {
+    it("debería crear una cantidad válida", () => {
+      const result = Quantity.create({ amount: 100, scale: 2 });
+      expect(result.isSuccess).toBe(true);
+      expect(result.data.amount).toBe(100);
+      expect(result.data.scale).toBe(2);
+    });
+
+    it("debería fallar si la escala es negativa", () => {
+      const result = Quantity.create({ amount: 100, scale: -1 });
+      expect(result.isFailure).toBe(true);
+    });
+  });
+
+  describe("toNumber & toString", () => {
+    it("debería convertir correctamente a número", () => {
+      const quantity = Quantity.create({ amount: 150, scale: 2 }).data;
+      expect(quantity.toNumber()).toBe(1.5);
+    });
+
+    it("debería convertir correctamente a string", () => {
+      const quantity = Quantity.create({ amount: 123, scale: 2 }).data;
+      expect(quantity.toString()).toBe("1.23");
+    });
+  });
+
+  describe("increment", () => {
+    it("debería incrementar en 1 si no se pasa otra cantidad", () => {
+      const quantity = Quantity.create({ amount: 100, scale: 2 }).data;
+      const incremented = quantity.increment().data;
+      expect(incremented.amount).toBe(101);
+      expect(incremented.scale).toBe(2);
+    });
+
+    it("debería sumar correctamente si tienen la misma escala", () => {
+      const quantity1 = Quantity.create({ amount: 100, scale: 2 }).data;
+      const quantity2 = Quantity.create({ amount: 50, scale: 2 }).data;
+
+      const result = quantity1.increment(quantity2);
+      expect(result.isSuccess).toBe(true);
+      expect(result.data.amount).toBe(150);
+    });
+
+    it("debería fallar si las escalas son diferentes", () => {
+      const quantity1 = Quantity.create({ amount: 100, scale: 2 }).data;
+      const quantity2 = Quantity.create({ amount: 50, scale: 1 }).data;
+
+      const result = quantity1.increment(quantity2);
+      expect(result.isFailure).toBe(true);
+    });
+  });
+
+  describe("decrement", () => {
+    it("debería decrementar en 1 si no se pasa otra cantidad", () => {
+      const quantity = Quantity.create({ amount: 100, scale: 2 }).data;
+      const decremented = quantity.decrement().data;
+      expect(decremented.amount).toBe(99);
+    });
+
+    it("debería restar correctamente si tienen la misma escala", () => {
+      const quantity1 = Quantity.create({ amount: 100, scale: 2 }).data;
+      const quantity2 = Quantity.create({ amount: 50, scale: 2 }).data;
+
+      const result = quantity1.decrement(quantity2);
+      expect(result.isSuccess).toBe(true);
+      expect(result.data.amount).toBe(50);
+    });
+
+    it("debería fallar si las escalas son diferentes", () => {
+      const quantity1 = Quantity.create({ amount: 100, scale: 2 }).data;
+      const quantity2 = Quantity.create({ amount: 50, scale: 1 }).data;
+
+      const result = quantity1.decrement(quantity2);
+      expect(result.isFailure).toBe(true);
+    });
+  });
+
+  describe("convertScale", () => {
+    it("debería convertir correctamente a una nueva escala", () => {
+      const quantity = Quantity.create({ amount: 100, scale: 2 }).data;
+      const result = quantity.convertScale(1);
+      expect(result.isSuccess).toBe(true);
+      expect(result.data.amount).toBe(10);
+      expect(result.data.scale).toBe(1);
+    });
+
+    it("debería fallar si la escala está fuera de rango", () => {
+      const quantity = Quantity.create({ amount: 100, scale: 2 }).data;
+      const result = quantity.convertScale(3);
+      expect(result.isFailure).toBe(true);
+    });
+  });
+
+  describe("hasSameScale", () => {
+    it("debería retornar true si las escalas son iguales", () => {
+      const quantity1 = Quantity.create({ amount: 100, scale: 2 }).data;
+      const quantity2 = Quantity.create({ amount: 50, scale: 2 }).data;
+
+      expect(quantity1.hasSameScale(quantity2)).toBe(true);
+    });
+
+    it("debería retornar false si las escalas son diferentes", () => {
+      const quantity1 = Quantity.create({ amount: 100, scale: 2 }).data;
+      const quantity2 = Quantity.create({ amount: 50, scale: 1 }).data;
+
+      expect(quantity1.hasSameScale(quantity2)).toBe(false);
+    });
+  });
+});
diff --git a/apps/server/src/common/domain/value-objects/quantity.ts b/apps/server/src/common/domain/value-objects/quantity.ts
index 8b6babcf..ed5e25da 100644
--- a/apps/server/src/common/domain/value-objects/quantity.ts
+++ b/apps/server/src/common/domain/value-objects/quantity.ts
@@ -27,7 +27,7 @@ export class Quantity extends ValueObject<IQuantityProps> implements IQuantity {
   protected static validate(values: IQuantityProps) {
     const schema = z.object({
       amount: z.number().int(),
-      scale: z.number().int().min(0),
+      scale: z.number().int().min(Quantity.MIN_SCALE).max(Quantity.MAX_SCALE),
     });
 
     return schema.safeParse(values);
@@ -41,7 +41,7 @@ export class Quantity extends ValueObject<IQuantityProps> implements IQuantity {
     const checkProps = Quantity.validate(props);
 
     if (!checkProps.success) {
-      Result.fail(new Error(checkProps.error.errors[0].message));
+      return Result.fail(new Error(checkProps.error.errors[0].message));
     }
     return Result.ok(new Quantity({ ...checkProps.data! }));
   }
diff --git a/apps/server/src/common/domain/value-objects/tin-number.spec.ts b/apps/server/src/common/domain/value-objects/tin-number.spec.ts
new file mode 100644
index 00000000..39f7b6e1
--- /dev/null
+++ b/apps/server/src/common/domain/value-objects/tin-number.spec.ts
@@ -0,0 +1,40 @@
+import { TINNumber } from "./tin-number";
+
+describe("TINNumber", () => {
+  it("debería crear un TINNumber válido", () => {
+    const result = TINNumber.create("12345");
+    expect(result.isSuccess).toBe(true);
+    expect(result.data.getValue()).toBe("12345");
+  });
+
+  it("debería fallar si el valor es demasiado corto", () => {
+    const result = TINNumber.create("1");
+    expect(result.isFailure).toBe(true);
+    expect(result.error?.message).toBe("TIN must be at least 2 characters long");
+  });
+
+  it("debería fallar si el valor es demasiado largo", () => {
+    const result = TINNumber.create("12345678901");
+    expect(result.isFailure).toBe(true);
+    expect(result.error?.message).toBe("TIN must be at most 10 characters long");
+  });
+
+  it("debería devolver None cuando el valor es nulo o vacío en createNullable", () => {
+    const result = TINNumber.createNullable("");
+    expect(result.isSuccess).toBe(true);
+    expect(result.data.isNone()).toBe(true);
+  });
+
+  it("debería devolver Some cuando el valor es válido en createNullable", () => {
+    const result = TINNumber.createNullable("6789");
+    expect(result.isSuccess).toBe(true);
+    expect(result.data.isSome()).toBe(true);
+    expect(result.data.unwrap()?.toString()).toBe("6789");
+  });
+
+  it("debería devolver el valor correcto en toString()", () => {
+    const result = TINNumber.create("ABC123");
+    expect(result.isSuccess).toBe(true);
+    expect(result.data.toString()).toBe("ABC123");
+  });
+});
diff --git a/apps/server/src/common/domain/value-objects/tin-number.ts b/apps/server/src/common/domain/value-objects/tin-number.ts
index 695fa2f6..ffed5d45 100644
--- a/apps/server/src/common/domain/value-objects/tin-number.ts
+++ b/apps/server/src/common/domain/value-objects/tin-number.ts
@@ -46,6 +46,6 @@ export class TINNumber extends ValueObject<TINNumberProps> {
   }
 
   toString(): string {
-    return this.props !== null && this.props !== undefined ? String(this.props) : "";
+    return this.props.value;
   }
 }
diff --git a/apps/server/src/common/helpers/maybe.ts b/apps/server/src/common/helpers/maybe.ts
index eae6aa39..7572293b 100644
--- a/apps/server/src/common/helpers/maybe.ts
+++ b/apps/server/src/common/helpers/maybe.ts
@@ -24,6 +24,10 @@ export class Maybe<T> {
     return this.value !== undefined;
   }
 
+  isNone(): boolean {
+    return !this.isSome();
+  }
+
   unwrap(): T | undefined {
     return this.value;
   }
diff --git a/apps/server/src/common/infrastructure/sequelize/sequelize-mapper.spec.ts b/apps/server/src/common/infrastructure/sequelize/sequelize-mapper.spec.ts
deleted file mode 100644
index 8518d628..00000000
--- a/apps/server/src/common/infrastructure/sequelize/sequelize-mapper.spec.ts
+++ /dev/null
@@ -1,67 +0,0 @@
-import { DomainEntity } from "@common/domain";
-import { Collection, Result } from "@common/helpers";
-import { Model } from "sequelize";
-import { SequelizeMapper } from "./sequelize-mapper";
-
-// Mock Entities
-class MockEntity extends DomainEntity<any> {}
-class MockModel extends Model {
-  dataValues: Record<string, any> = {};
-}
-
-// Mock Mapper
-class MockSequelizeMapper extends SequelizeMapper<MockModel, Record<string, any>, MockEntity> {
-  public mapToDomain(source: MockModel, params?: Record<string, any>): Result<MockEntity, Error> {
-    return Result.ok(new MockEntity({ ...source.dataValues, ...params }));
-  }
-
-  public mapToPersistence(
-    source: MockEntity,
-    params?: Record<string, any>
-  ): Result<Record<string, any>, Error> {
-    return Result.ok({ ...source.props, ...params });
-  }
-}
-
-describe("SequelizeMapper", () => {
-  let mapper: MockSequelizeMapper;
-  let model: MockModel;
-
-  beforeEach(() => {
-    mapper = new MockSequelizeMapper({});
-    model = new MockModel();
-    model.dataValues = { id: 1, name: "Test" };
-  });
-
-  test("should map a model to a domain entity", () => {
-    const result = mapper.mapToDomain(model);
-    expect(result.isSuccess).toBe(true);
-    expect(result.data).toBeInstanceOf(MockEntity);
-    expect(result.data.props.id).toBe(1);
-    expect(result.data.props.name).toBe("Test");
-  });
-
-  test("should map an entity to a persistence object", () => {
-    const entity = new MockEntity({ id: 1, name: "Test" });
-    const result = mapper.mapToPersistence(entity);
-    expect(result.isSuccess).toBe(true);
-    expect(result.data).toEqual({ id: 1, name: "Test" });
-  });
-
-  test("should map an array of models to a collection of domain entities", () => {
-    const models = [model, { ...model, dataValues: { id: 2, name: "Test2" } }];
-    const result = mapper.mapArrayToDomain(models);
-    expect(result.isSuccess).toBe(true);
-    expect(result.data).toBeInstanceOf(Collection);
-    expect(result.data.items.length).toBe(2);
-  });
-
-  test("should handle mapping failures gracefully", () => {
-    jest
-      .spyOn(mapper, "mapToDomain")
-      .mockImplementation(() => Result.fail(new Error("Mapping failed")));
-    const result = mapper.mapToDomain(model);
-    expect(result.isFailure).toBe(true);
-    expect(result.error?.message).toBe("Mapping failed");
-  });
-});