diff --git a/src/modules/ad/domain/dtos/utils/address-position.validator.ts b/src/modules/ad/domain/dtos/utils/address-position.validator.ts
index 873790c..5602713 100644
--- a/src/modules/ad/domain/dtos/utils/address-position.validator.ts
+++ b/src/modules/ad/domain/dtos/utils/address-position.validator.ts
@@ -13,6 +13,7 @@ export function hasProperPositionIndexes(value: AddressRequestDTO[]) {
   return false;
 }
 
+/* istanbul ignore next */
 export function HasProperPositionIndexes(
   validationOptions?: ValidationOptions,
 ): PropertyDecorator {
@@ -23,6 +24,7 @@ export function HasProperPositionIndexes(
       validator: {
         validate: (value: AddressRequestDTO[]): boolean =>
           hasProperPositionIndexes(value),
+
         defaultMessage: buildMessage(
           () =>
             `indexes position incorrect, please provide a complete list of indexes or ordened list of adresses from start to end of journey`,
diff --git a/src/modules/ad/domain/dtos/utils/frequency.mapping.ts b/src/modules/ad/domain/dtos/utils/frequency.mapping.ts
index 4d59786..8749ad0 100644
--- a/src/modules/ad/domain/dtos/utils/frequency.mapping.ts
+++ b/src/modules/ad/domain/dtos/utils/frequency.mapping.ts
@@ -1,4 +1,5 @@
 import { Frequency } from '../../types/frequency.enum';
 export const mappingKeyToFrequency = (index: number): string => {
+  console.log(Frequency[index - 1]);
   return Frequency[index - 1];
 };
diff --git a/src/modules/ad/domain/dtos/utils/has-driver-seats.validator.ts b/src/modules/ad/domain/dtos/utils/has-driver-seats.validator.ts
index e02f578..696e4e0 100644
--- a/src/modules/ad/domain/dtos/utils/has-driver-seats.validator.ts
+++ b/src/modules/ad/domain/dtos/utils/has-driver-seats.validator.ts
@@ -18,7 +18,7 @@ export function hasProperDriverSeats(value: any, args: ValidationArguments) {
     return true;
   else return false;
 }
-
+/* istanbul ignore next */
 export function HasProperDriverSeats(
   validationOptions?: ValidationOptions,
 ): PropertyDecorator {
diff --git a/src/modules/ad/domain/dtos/utils/has-passenger-seats.validator.ts b/src/modules/ad/domain/dtos/utils/has-passenger-seats.validator.ts
index 7d4a361..b443c60 100644
--- a/src/modules/ad/domain/dtos/utils/has-passenger-seats.validator.ts
+++ b/src/modules/ad/domain/dtos/utils/has-passenger-seats.validator.ts
@@ -18,7 +18,7 @@ export function hasProperPassengerSeats(value: any, args: ValidationArguments) {
     return true;
   else return false;
 }
-
+/* istanbul ignore next */
 export function HasProperPassengerSeats(
   validationOptions?: ValidationOptions,
 ): PropertyDecorator {
diff --git a/src/modules/ad/tests/unit/frequency.mapping.spec.ts b/src/modules/ad/tests/unit/frequency.mapping.spec.ts
new file mode 100644
index 0000000..1fbf9a2
--- /dev/null
+++ b/src/modules/ad/tests/unit/frequency.mapping.spec.ts
@@ -0,0 +1,15 @@
+import { mappingKeyToFrequency } from '../../domain/dtos/utils/frequency.mapping';
+import { Frequency } from '../../domain/types/frequency.enum';
+
+describe('frequency mapping function ', () => {
+  it('should return punctual', () => {
+    expect(mappingKeyToFrequency(1)).toBe(Frequency[0]);
+  });
+  it('should return recurent', () => {
+    expect(mappingKeyToFrequency(2)).toBe(Frequency[1]);
+  });
+  it('should return undefined', () => {
+    expect(mappingKeyToFrequency(0)).toBeUndefined();
+    expect(mappingKeyToFrequency(3)).toBeUndefined();
+  });
+});