t/config: extra test for imap_url with imaps://

I configured this for public-inbox.org, but wasn't 100% sure it
worked.  This test ensures it stays working :>

1 files changed, 4 insertions, 0 deletions

diff --git a/t/config.t b/t/config.t
index 2b02f063..7e753cbe 100644
--- a/t/config.t
+++ b/t/config.t
@@ -112,12 +112,16 @@ $pfx.inboxdir=/path/to/non/existent
 $pfx.newsgroup=inbox.test
 $pfx.nntpserver=news.alt.example.com
 publicinbox.nntpserver=news.example.com
+publicinbox.imapserver=imaps://mail.example.com
 EOF
         $cfg = PublicInbox::Config->new(\$str);
         $ibx = $cfg->lookup_name('test');
         is_deeply($ibx->nntp_url({ www => { pi_cfg => $cfg }}),
                 [ 'nntp://news.alt.example.com/inbox.test' ],
                 'nntp_url uses per-inbox NNTP server');
+        is_deeply($ibx->imap_url({ www => { pi_cfg => $cfg }}),
+                [ 'imaps://mail.example.com/inbox.test' ],
+                'nntp_url uses per-inbox NNTP server');
 }
 
 # no obfuscate domains