protected AmazonTestsBase()
{
Amazon = Authenticate().Result;
var rootId = Amazon.Nodes.GetRoot().Result.id;
var TestDir = TestDirBase + new Random().Next();
var node = Amazon.Nodes.GetChild(rootId, TestDir).Result;
if (node == null)
{
node = Amazon.Nodes.CreateFolder(rootId, TestDir).Result;
}
TestDirId = node.id;
}