diff --git a/development-system/tests/PerspektivwerkRoute.Tests.ps1 b/development-system/tests/PerspektivwerkRoute.Tests.ps1
index 11a98cf..293ee6a 100644
--- a/development-system/tests/PerspektivwerkRoute.Tests.ps1
+++ b/development-system/tests/PerspektivwerkRoute.Tests.ps1
@@ -17,7 +17,9 @@ Describe 'Perspektivwerk static route' {
(Test-Path -LiteralPath $bookingScriptPath) | Should Be $true
(Test-Path -LiteralPath $bookingStylesPath) | Should Be $true
$mockup | Should Match 'href="js/booking\.css"'
- $mockup | Should Match 'data-sufw-booking'
+ $mockup | Should Match 'data-sufw-booking data-project="perspektivwerk"'
+ $mockup | Should Match 'data-sufw-booking data-project="produktionsschule"'
+ $mockup.IndexOf('data-project="perspektivwerk"') | Should BeLessThan $mockup.IndexOf('data-project="produktionsschule"')
$mockup | Should Match 'src="js/booking\.js"'
}