Miscellaneous test fixes. (#35301)

* Add missing pylint test for invalid path.
* Fix syntax in integration test.
* Use Write-Output in win_script test script.
* Fix pylint in explain mode.

test/integration/targets/uri/files/testserver.ps1

@@ -1,5 +1,5 @@
 param (
-    [int]$port = 8000,
+    [int]$port = 8000
 )
 
 $listener = New-Object Net.HttpListener

test/integration/targets/win_script/files/space path/test_script.ps1

@@ -1 +1 @@
-Write-Host "Ansible supports spaces in the path to the script."
+Write-Output "Ansible supports spaces in the path to the script."