Remove flaky tests and increase CLI timeout

sdk/identity/Azure.Identity/src/AzureCliCredential.cs

@@ -2,12 +2,10 @@
 // Licensed under the MIT License.
 
 using System;
-using System.Collections.Generic;
 using System.Diagnostics;
 using System.Globalization;
 using System.IO;
 using System.Runtime.InteropServices;
-using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
 using System.Text.Json;
@@ -27,7 +25,7 @@ public class AzureCliCredential : TokenCredential
         private const string WinAzureCLIError = "'az' is not recognized";
         private const string AzureCliTimeoutError = "Azure CLI authentication timed out.";
         private const string AzureCliFailedError = "Azure CLI authentication failed due to an unknown error.";
-        private const int CliProcessTimeoutMs = 10000;
+        private const int CliProcessTimeoutMs = 13000;
 
         // The default install paths are used to find Azure CLI if no path is specified. This is to prevent executing out of the current working directory.
         private static readonly string DefaultPathWindows = $"{EnvironmentVariables.ProgramFilesX86}\\Microsoft SDKs\\Azure\\CLI2\\wbin;{EnvironmentVariables.ProgramFiles}\\Microsoft SDKs\\Azure\\CLI2\\wbin";