migrated tests run clean on all platforms (locally)

test/powershell/Modules/Microsoft.PowerShell.Utility/clixml.tests.ps1

@@ -1,4 +1,4 @@
-Describe "CliXml test" -Tags "innerloop", "P1", "RI" {
+Describe "CliXml test" -Tags "CI" {
     
     BeforeAll {
         $testFilePath = Join-Path "testdrive:\" "testCliXml" 
@@ -184,4 +184,4 @@ Describe "CliXml test" -Tags "innerloop", "P1", "RI" {
             $testPath | Should Not Exist
         }
     }
-}
+}