Remove added sleeps in lieu of new relibability design from microsoft#268

Author: HowardWolosky

Tests/GitHubRepositories.tests.ps1

@@ -1271,11 +1271,6 @@ try
     Describe 'GitHubRepositories\Disable-GitHubRepositoryVulnerabilityAlert' {
         BeforeAll {
             $repo = New-GitHubRepository -RepositoryName ([Guid]::NewGuid().Guid)
-
-            # The CI build has been unreliable with this test.
-            # Adding a short sleep to ensure successive queries reflect updated state.
-            Start-Sleep -Seconds $script:defaultSleepSecondsForReliability
-
             Enable-GitHubRepositoryVulnerabilityAlert -Uri  $repo.svn_url
         }
 
@@ -1311,11 +1306,6 @@ try
     Describe 'GitHubRepositories\Disable-GitHubRepositorySecurityFix' {
         BeforeAll {
             $repo = New-GitHubRepository -RepositoryName ([Guid]::NewGuid().Guid)
-
-            # The CI build has been unreliable with this test.
-            # Adding a short sleep to ensure successive queries reflect updated state.
-            Start-Sleep -Seconds $script:defaultSleepSecondsForReliability
-
             Enable-GitHubRepositorySecurityFix -Uri  $repo.svn_url
         }