diff --git a/src/Position-ExplorerWindow/public/Position-ExplorerWindow.Tests.ps1 b/src/Position-ExplorerWindow/public/Position-ExplorerWindow.Tests.ps1
index 2654f32..628b355 100644
--- a/src/Position-ExplorerWindow/public/Position-ExplorerWindow.Tests.ps1
+++ b/src/Position-ExplorerWindow/public/Position-ExplorerWindow.Tests.ps1
@@ -6,6 +6,8 @@ Describe "Position-ExplorerWindow" -Tag 'Unit' {
 
     Context 'Powershell versions' {
 
+        function Get-PowershellVersion { 5 }
+
         It 'Runs only on Powershell <= v5' {
             $paths = @(
                 'foo'