async Task DownloadAndExtractTextCorpus(DotNetInstallation dotNetInstall, string outputDir, ITestOutputHelper output)
{
// If the file already exists, exit
string word2VecNetRepoRootDir = GetWord2VecNetRepoRootDir(outputDir);
string tfm = DotNetSetup.GetTargetFrameworkMonikerForFrameworkVersion(dotNetInstall.FrameworkVersion);
string word2VecNetPublishDir = GetWord2VecNetPublishDirectory(dotNetInstall, outputDir, tfm);
// Download the corpus of text. This is a zip file that contains a text file of 100M of text from Wikipedia
var url = "https://perfbenchmarkstorage.blob.core.windows.net/corpus/Corpus10.zip";
await FileTasks.DownloadAndUnzip(url, word2VecNetRepoRootDir + "_temp", output);
FileTasks.MoveFile(Path.Combine(word2VecNetRepoRootDir + "_temp", "Corpus.txt"),
Path.Combine(word2VecNetPublishDir, "Corpus.txt"), output);
}