diff --git a/test/powershell/Start-Sleep.Tests.ps1 b/test/powershell/Start-Sleep.Tests.ps1
index b5136932ab..4699bb5369 100644
--- a/test/powershell/Start-Sleep.Tests.ps1
+++ b/test/powershell/Start-Sleep.Tests.ps1
@@ -1,3 +1,22 @@
+Describe "Start-Sleep DRT Unit Tests" -Tags DRT{
+    It "Shoule be works properly when sleeping with Second" {
+        $dtStart = [DateTime]::Now
+        Start-Sleep -Seconds 1
+        $dtEnd = [DateTime]::Now
+        $millseconds = (New-TimeSpan -Start $dtStart -End $dtEnd).TotalMilliseconds
+        $millseconds | Should BeGreaterThan 1000
+    }
+
+    It "Shoule be works properly when sleeping with Second" {
+        $dtStart = [DateTime]::Now
+        Start-Sleep -Milliseconds 1000
+        $dtEnd = [DateTime]::Now
+        $millseconds = (New-TimeSpan -Start $dtStart -End $dtEnd).TotalMilliseconds
+        $millseconds | Should BeGreaterThan 1000
+    }
+
+}
+
 Describe "Start-Sleep" {
 
     Context "Validate Start-Sleep works properly" {