public int LoadInteractions(string filename)
        {
            ProviderServicePactFile providerServicePactFile = (ProviderServicePactFile)JSonHelper.LoadObjFromJSonFile(filename, typeof(ProviderServicePactFile));

            foreach (ProviderServiceInteraction PSI in providerServicePactFile.Interactions)
            {
                // PSI.Request.Headers.Add("content-type", "json");
                AddInteraction(PSI);
            }
            return(providerServicePactFile.Interactions.Count());
        }