diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 86eaa2a..e5ed9ed 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -15,7 +15,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        language: [ 'javascript' ]
+        language: [ 'actions' ]
     steps:
     - name: Checkout repository
       uses: actions/checkout@v4
diff --git a/scripts/validate.ps1 b/scripts/validate.ps1
index 2de2ca5..3cf471f 100644
--- a/scripts/validate.ps1
+++ b/scripts/validate.ps1
@@ -50,5 +50,5 @@ finally {
     Pop-Location
 }
 
-Write-Host 'CAS platform validation passed.'
+Write-Output 'CAS platform validation passed.'
 
diff --git a/tests/Infrastructure.Tests.ps1 b/tests/Infrastructure.Tests.ps1
index 40d4635..7180c6c 100644
--- a/tests/Infrastructure.Tests.ps1
+++ b/tests/Infrastructure.Tests.ps1
@@ -1,5 +1,8 @@
+[Diagnostics.CodeAnalysis.SuppressMessageAttribute('PSUseDeclaredVarsMoreThanAssignments', '')]
+param()
+
 BeforeAll {
-    $repoRoot = Split-Path -Parent $PSScriptRoot
+    $repoRoot = Split-Path -Parent -Path $PSScriptRoot
     $main = Get-Content -Raw (Join-Path $repoRoot 'infra/main.bicep')
     $compute = Get-Content -Raw (Join-Path $repoRoot 'infra/modules/container-apps.bicep')
     $observability = Get-Content -Raw (Join-Path $repoRoot 'infra/modules/observability.bicep')