fix(tests): Fix skipping tests on non-Windows OS

- Skip tests on non-Windows OS
- Remove unnecessary whitespace

Author: guanguans

tests/Feature/ConfigCommandTest.php

@@ -110,6 +110,7 @@
         '--editor' => 'foo',
     ]);
 })
+    ->skip(! windows_os())
     ->group(__DIR__, __FILE__)
     ->throws(ProcessFailedException::class);
 
@@ -125,6 +126,7 @@
         'action' => 'edit',
     ]);
 })
+    ->skip(! windows_os())
     ->group(__DIR__, __FILE__)
     ->throws(ProcessFailedException::class);