Updaet fixed comments for Set-Variable Peste unit test

test/powershell/Set-Variable.Tests.ps1

@@ -162,8 +162,6 @@ Describe "Set-Variable DRT Unit Tests" -Tags DRT{
 }
 
 Describe "Set-Variable" {
-    ${nl} = [Environment]::Newline
-
     It "Should create a new variable with no parameters" {
 	{ Set-Variable testVar } | Should Not Throw
     }
@@ -216,7 +214,7 @@ Describe "Set-Variable" {
 	$output = $in | Format-List -Property Description | Out-String
 
 	# This will cause errors running these tests in Windows
-	$output | Should Be "${nl}${nl}Description : test description${nl}${nl}${nl}${nl}"
+	$output.Trim() | Should Be "Description : test description"
     }
 
     It "Should be able to set the value using the value switch" {