public void ContainsHeader(string headers, string headerName, bool expectedContains)
{
var request = new HttpRequestMessage();
foreach (var name in headers.Split(';', StringSplitOptions.RemoveEmptyEntries))
{
request.Headers.TryAddWithoutValidation(name, "foo");
}
Assert.Equal(expectedContains, RequestUtilities.ContainsHeader(request.Headers, headerName));
}
