diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 774acce..6b04717 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -33,7 +33,7 @@ steps:
   inputs:
     testSelector: 'testAssemblies'
     testAssemblyVer2: |
-      **\*tests*.dll
+      **/*GeoUK.OSTN.Tests.dll
       !**\*TestAdapter.dll
       !**\obj\**
     searchFolder: '$(System.DefaultWorkingDirectory)'