public void GetPages_CalledWithMultipleUrls_ShouldReturnContentFetchFromEachUrl()
{
string[] urls = new string[] { "http://myserver.com/", "http:anotherserver.com/" };
string[] expectedContent = new string[] { urls[0], urls[1] };
var sut = new WebDownloader(u => TestingAsyncUtil.FromResult <string>(u));
string[] content = sut.GetPages(urls);
CollectionAssert.AreEquivalent(expectedContent, content);
}