Fix PSAvoidUsingConvertToSecureStringWithPlainText in tests

es-metadata.yml

@@ -0,0 +1,12 @@
+schemaVersion: 1.0.0
+providers:
+- provider: InventoryAsCode
+  version: 1.0.0
+  metadata:
+    isProduction: true
+    accountableOwners:
+      service: cef1de07-99d6-45df-b907-77d0066032ec
+    routing:
+      defaultAreaPath:
+        org: msazure
+        path: One\MGMT\Compute\Powershell\Powershell

global.json

@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "8.0.300",
+    "version": "8.0.318",
     "rollForward": "latestFeature",
     "allowPrerelease": false
   }

test/Microsoft.PowerShell.SecretStore.Tests.ps1

@@ -123,7 +123,7 @@ Describe "Test Microsoft.PowerShell.SecretStore module" {
         }
 
         It "Verifies Unlock-SecretStore throws expected error when in no password mode" {
-            $token = ConvertTo-SecureString -String "None" -AsPlainText -Force
+            $token = [System.Net.NetworkCredential]::new('', 'None').SecurePassword
             { Unlock-SecretStore -Password $token } | Should -Throw -ErrorId 'InvalidOperation,Microsoft.PowerShell.SecretStore.UnlockSecretStoreCommand'
         }
     }
@@ -329,7 +329,7 @@ Describe "Test Microsoft.PowerShell.SecretStore module" {
         BeforeAll {
             $secretName = [System.IO.Path]::GetFileNameWithoutExtension([System.IO.Path]::GetRandomFileName())
             $randomSecret = [System.IO.Path]::GetRandomFileName()
-            $secureStringToWrite = ConvertTo-SecureString -String $randomSecret -AsPlainText -Force
+            $secureStringToWrite = [System.Net.NetworkCredential]::new('', $randomSecret).SecurePassword
             $errorMsg = ""
         }
 
@@ -395,7 +395,7 @@ Describe "Test Microsoft.PowerShell.SecretStore module" {
         }
 
         It "Verifies PSCredential type write to SecretStore" {
-            $cred = [pscredential]::new('UserL', (ConvertTo-SecureString $randomSecret -AsPlainText -Force))
+            $cred = [pscredential]::new('UserL', ([System.Net.NetworkCredential]::new('', $randomSecret).SecurePassword))
             $success = [Microsoft.PowerShell.SecretStore.LocalSecretStore]::GetInstance().WriteObject(
                 $secretName,
                 $cred,
@@ -462,8 +462,8 @@ Describe "Test Microsoft.PowerShell.SecretStore module" {
             $ht = @{
                 Blob = ([byte[]] @(1,2))
                 Str = "TestHashtableString"
-                SecureString = (ConvertTo-SecureString $randomSecretA -AsPlainText -Force)
-                Cred = ([pscredential]::New("UserA", (ConvertTo-SecureString $randomSecretB -AsPlainText -Force)))
+                SecureString = ([System.Net.NetworkCredential]::new('', $randomSecretA).SecurePassword)
+                Cred = ([pscredential]::New("UserA", ([System.Net.NetworkCredential]::new('', $randomSecretB).SecurePassword)))
             }
 
             $success = [Microsoft.PowerShell.SecretStore.LocalSecretStore]::GetInstance().WriteObject(