changes tags for tests

Start using tags CI, Feature, Scenario

test/powershell/Modules/Microsoft.PowerShell.Utility/Get-Alias.Tests.ps1

@@ -1,5 +1,5 @@
 
-Describe "Get-Alias DRT Unit Tests" -Tags DRT{
+Describe "Get-Alias DRT Unit Tests" -Tags "CI" {
 	It "Get-Alias Bogus Scope Name should throw PSArgumentException"{	
 		try { 
 			Get-Alias -Name "ABCD" -Scope "bogus"
@@ -173,7 +173,7 @@ Describe "Get-Alias DRT Unit Tests" -Tags DRT{
     }
 }
 
-Describe "Get-Alias" {
+Describe "Get-Alias" -Tags "CI" {
     It "Should have a return type of System.Array when gal returns more than one object" {
 	$val1=(Get-Alias a*)
 	$val2=(Get-Alias c*)