navigation: move a window so we can see one behind it

Seems like GNOME 48 changed window size/positioning a bit, we
have to move the text editor so it will still be visible when
the file manager window is in the front.

Signed-off-by: Adam Williamson <awilliam@redhat.com>

tests/applications/navigation/switch_application.pm

@@ -63,6 +63,9 @@ sub run {
     send_key("alt-tab");
     assert_screen("apps_run_texteditor");
 
+    # move the window to the left to be sure both will be visible
+    # for clicking
+    send_key("super-left");
     # Switch by clicking on the certain application.
     assert_and_click("files_inactive");
     assert_screen("apps_run_files");