Adding a warning before starting on update operation

Author: bganapa

src/StackAdmin/Azs.Update.Admin/Module/Azs.Update.Admin/Azs.Update.Admin.psd1

@@ -17,7 +17,7 @@ Licensed under the MIT License. See License.txt in the project root for license
     RootModule        = 'Azs.Update.Admin.psm1'
 
     # Version number of this module.
-    ModuleVersion     = '0.2.0'
+    ModuleVersion     = '0.3.0'
 
     # Supported PSEditions
     # CompatiblePSEditions = @()

src/StackAdmin/Azs.Update.Admin/Module/Azs.Update.Admin/Generated.PowerShell.Commands/SwaggerPathCommands/Install-AzsUpdate.ps1

@@ -95,8 +95,10 @@ function Install-AzsUpdate {
             $Name = Get-ResourceNameSuffix -ResourceName $Name
         }
 
+        Write-Warning -Message 'It is strongly recommended to run Test-AzureStack(https://aka.ms/testazurestack) before applying update.'
+        
         if ($PsCmdlet.ShouldProcess($Name, "Install the update")) {
-            if ($Force.IsPresent -or $PsCmdlet.ShouldContinue("Install the update?", "Performing operation ApplyWithHttpMessagesAsync on $Name")) {
+            if ($Force.IsPresent -or $PsCmdlet.ShouldContinue("It is strongly recommended to Test-AzureStack before applying update. Are you sure you want to continue?", "Performing Update $Name")) {
 
                 $NewServiceClient_params = @{
                     FullClientTypeName = 'Microsoft.AzureStack.Management.Update.Admin.UpdateAdminClient'

src/StackAdmin/AzureStack/AzureStack.psd1

@@ -65,7 +65,7 @@
         @{ModuleName = 'Azs.Storage.Admin'; RequiredVersion = '0.2.0'; },
         @{ModuleName = 'Azs.Subscriptions'; RequiredVersion = '0.2.0'; },
         @{ModuleName = 'Azs.Subscriptions.Admin'; RequiredVersion = '0.3.0'; },
-        @{ModuleName = 'Azs.Update.Admin'; RequiredVersion = '0.2.0'; })
+        @{ModuleName = 'Azs.Update.Admin'; RequiredVersion = '0.3.0'; })
 
     # Assemblies that must be loaded prior to importing this module
     # RequiredAssemblies = @()