diff --git a/test/powershell/engine/Api/PSCommand.Tests.ps1 b/test/powershell/engine/Api/PSCommand.Tests.ps1
index 373951cd29e..0b0be2280f8 100644
--- a/test/powershell/engine/Api/PSCommand.Tests.ps1
+++ b/test/powershell/engine/Api/PSCommand.Tests.ps1
@@ -54,14 +54,13 @@ Describe "PSCommand API tests" -Tag "CI" {
 
                 # We manually create a CmdletInfo here (with an unresolable command) to verify that CmdletInfo's are cloned.
                 $cmdlet = [System.Management.Automation.CmdletInfo]::new('un-resolvable', [Microsoft.PowerShell.Commands.OutStringCommand])
-                $null = $otherShell.AddCommand($cmdlet).AddParameter("InputObject", 'test')
+                $null = $otherShell.AddCommand($cmdlet).AddParameter("InputObject", 'test').AddParameter("Stream")
 
                 # Setter for "Commands" calls PSCommand.Clone()
                 $shell.Commands = $otherShell.Commands
 
                 $result = $shell.Invoke()
-                $result | Should -Be "test
-"
+                $result | Should -Be "test"
             }
             finally {
                 $otherShell.Dispose()