WCF Custom Message handler

WCF CustomMessageHandler.cs

using APIConsumerServices.Services.CustomService;
using FluentAssertions;
using NUnit.Framework;

namespace APIConsumerServices.Services.Tests
{
    [TestFixture]
    public class CallServiceTest
    {
        // CustomClient is the wrapper around the WSDL generated proxy class
        var testservice = new CustomClient(endpointname, endpoint);
        var requestInterceptor = new CustomInspectorBehavior();
        testservice.Endpoint.Behaviors.Add(requestInterceptor);
        
        testservice.Open();

        var channel = testservice.ChannelFactory.CreateChannel(endpoint);
        var request = testservice.CreateCustomRequest();
        var response = channel.SomeAbritraryMethod(request);
                
        response.Should().NotBeNull("Results were returned successfully");
        
        testservice.Close();
    }
}

Changed language to C#

added .cs file extension