message: pricing - schema validator does not accept null
diff: @@ -656,6 +656,10 @@ class TestData {
  dimensions
  };
  + if (!tariff.restrictions) {
  + delete tariff.restrictions;
  + }
  +
  let response = await this.adminUserService.pricingApi.createPricingDefinition(tariff);
  assert(response?.data?.status === 'Success', 'The operation should succeed');
  assert(response?.data?.id, 'The ID should not be null');
  