diff --git a/Testing/workflow/Build-SignRelease.Tests.ps1 b/Testing/workflow/Build-SignRelease.Tests.ps1
index f73edecb57..852f9fb640 100644
--- a/Testing/workflow/Build-SignRelease.Tests.ps1
+++ b/Testing/workflow/Build-SignRelease.Tests.ps1
@@ -1,5 +1,9 @@
 # temp placeholder for a real test
 Describe "Install AST Check" {
+  $ScriptPath = Join-Path -Path $PSScriptRoot -ChildPath '../../utils/workflow/Build-SignRelease.ps1' -Resolve
+  # Source the function
+  . $ScriptPath
+  Install-AzureSigningTool
   It "Should be installed" {
     $ToolPath = (Get-Command AzureSignTool).Path
     Write-Warning "The path to AzureSignTool is $ToolPath"