using WireMock.Matchers;
using WireMock.Server;

var client = new HttpClient();
var server = WireMockServer.Start();

server.Given(
    WireMock.RequestBuilders.Request.Create()
    .WithPath("/test")
        .UsingGet()
        .WithParam("filters", new ExactMatcher("a:b,c:d"))
    )
    .RespondWith(
        WireMock.ResponseBuilders.Response.Create()
           .WithHeader("Content-Type", "application/json")
           .WithStatusCode(200)
           .WithDelay(TimeSpan.FromMilliseconds(50))
    );

var response = await client.GetAsync($"http://localhost:{server.Port}/test?filters=a:b,c:d");

Console.WriteLine("Response: " + response.StatusCode);