diff --git a/eng/common/TestResources/New-TestResources.ps1 b/eng/common/TestResources/New-TestResources.ps1
index 203d8d6bc..c361fcb0b 100644
--- a/eng/common/TestResources/New-TestResources.ps1
+++ b/eng/common/TestResources/New-TestResources.ps1
@@ -56,7 +56,6 @@ param (
     [string] $Environment = 'AzureCloud',
 
     [Parameter()]
-    [ValidateNotNullOrEmpty()]
     [hashtable] $AdditionalParameters,
 
     [Parameter()]
@@ -109,7 +108,7 @@ trap {
 }
 
 # Enumerate test resources to deploy. Fail if none found.
-$root = [System.IO.Path]::Combine("$PSScriptRoot/../sdk", $ServiceDirectory) | Resolve-Path
+$root = [System.IO.Path]::Combine("$PSScriptRoot/../../../sdk", $ServiceDirectory) | Resolve-Path
 $templateFileName = 'test-resources.json'
 $templateFiles = @()