changes tags for tests

Start using tags CI, Feature, Scenario

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

@@ -1,4 +1,4 @@
-Describe "Get-TraceSource" -tags "P1" {
+Describe "Get-TraceSource" -Tags "Feature" {
     It "Should output data sorted by name" {
         $expected = (Get-TraceSource | Sort-Object Name)
         Get-TraceSource | Should be $expected