changes tags for tests

Start using tags CI, Feature, Scenario

test/powershell/Host/Base-Directory.Tests.ps1

@@ -1,4 +1,4 @@
-Describe "Configuration file locations" {
+Describe "Configuration file locations" -tags "CI" {
 
     BeforeAll {
         $powershell = Join-Path -Path $PsHome -ChildPath "powershell"

test/powershell/Host/ConsoleHost.Tests.ps1

@@ -1,6 +1,6 @@
 using namespace System.Diagnostics
 
-Describe "ConsoleHost unit tests" {
+Describe "ConsoleHost unit tests" -tags "Feature" {
 
     BeforeAll {
         $powershell = Join-Path -Path $PsHome -ChildPath "powershell"

test/powershell/Host/PSVersionTable.Tests.ps1

@@ -1,4 +1,4 @@
-Describe "PSVersionTable" {
+Describe "PSVersionTable" -Tags "CI" {
     It "Should have version table entries" {
 	$PSVersionTable.Count | Should Be 9
     }

test/powershell/Host/Read-Host.Tests.ps1

@@ -1,4 +1,4 @@
-Describe "Read-Host" {
+Describe "Read-Host" -Tags "CI" {
     Context "[Console]::ReadKey() implementation on non-Windows" {
         BeforeAll {
             $powershell = Join-Path -Path $PsHome -ChildPath "powershell"

test/powershell/Host/TabCompletion/BugFix.Tests.ps1

@@ -1,4 +1,4 @@
-Describe "Issue#682 - [system.manage<tab>] should work" {
+Describe "Issue#682 - [system.manage<tab>] should work" -Tags "CI" {
     
     It "[system.manage<tab>" {
         $result = TabExpansion2 -inputScript "[system.manage" -cursorColumn "[system.manage".Length