protected override void EstablishContext()
{
httpRequestProvider = mocks.Stub<IHttpRequestProvider>();
base64Wimp = Convert.ToBase64String(Encoding.UTF8.GetBytes(wimp));
Expect.Call(httpRequestProvider.GetValue("wctx")).Return(string.Format(sampleWctxValue, base64Wimp));
wctxWimpProvider = new Base64WctxWimpProvider(httpRequestProvider);
}