Address Hovsep comments.

Author: begoldsm

src/Common/Commands.Common.Authentication/Factories/ClientFactory.cs

@@ -130,6 +130,7 @@ public virtual TClient CreateClient<TClient>(AzureSMProfile profile, AzureEnviro
         /// <exception cref="System.ArgumentException">
         /// accountName
         /// or
+        /// environment
         /// </exception>
         public virtual TClient CreateClient<TClient>(AzureSMProfile profile, AzureSubscription subscription, AzureEnvironment.Endpoint endpoint) where TClient : ServiceClient<TClient>
         {

src/ResourceManager/DataLakeAnalytics/Commands.DataLakeAnalytics/Commands/WaitAzureRmDataLakeAnalyticsJob.cs

@@ -20,6 +20,7 @@
 using Microsoft.Azure.Management.DataLake.Analytics.Models;
 using Microsoft.Rest.Azure;
 using JobState = Microsoft.Azure.Management.DataLake.Analytics.Models.JobState;
+using Microsoft.WindowsAzure.Commands.Utilities.Common;
 
 namespace Microsoft.Azure.Commands.DataLakeAnalytics
 {
@@ -68,7 +69,7 @@ public override void ExecuteCmdlet()
                 }
 
                 WriteVerboseWithTimestamp(string.Format(Resources.WaitJobState, jobInfo.State));
-                Thread.Sleep(WaitIntervalInSeconds*1000);
+                TestMockSupport.Delay(WaitIntervalInSeconds*1000);
                 timeWaitedInSeconds += WaitIntervalInSeconds;
                 jobInfo = DataLakeAnalyticsClient.GetJob(Account, JobId);
             }

src/ResourceManager/DataLakeStore/Commands.DataLakeStore/Models/DataLakeStoreFileSystemClient.cs

@@ -28,6 +28,7 @@
 using Microsoft.Azure.Management.DataLake.Store.Models;
 using Microsoft.Azure.Management.DataLake.StoreUploader;
 using Microsoft.Rest.Azure;
+using Microsoft.WindowsAzure.Commands.Utilities.Common;
 
 namespace Microsoft.Azure.Commands.DataLakeStore.Models
 {
@@ -574,7 +575,7 @@ public void CopyDirectory(
                         }
 
                         // sleep for a half of a second.
-                        Thread.Sleep(500);
+                        TestMockSupport.Delay(500);
                     }
 
                     if (task.IsFaulted && !task.IsCanceled)
@@ -792,7 +793,7 @@ private void TrackUploadProgress(Task uploadTask, ProgressRecord uploadProgress,
                     }
                 }
 
-                Thread.Sleep(250);
+                TestMockSupport.Delay(250);
             }
 
             if (uploadTask.IsCanceled || token.IsCancellationRequested)