Add new line to end of command.feature.

Jeremy Ward · Jeremy Ward · commit 3eeb31e7426a · 2018-07-20T07:54:26.000-05:00
diff --git a/features/command.feature b/features/command.feature
@@ -1683,4 +1683,4 @@ Feature: WP-CLI Commands
     Then STDOUT should contain:
     """
     wp custom
-    """
+    """
