Reorganize tests.

* CSN tests don't belong under "Groupchats" section tests.
* Move modal tests to their own grouping

spec/muc.js

@@ -3950,9 +3950,9 @@
             }));
         });
 
-        describe("The \"Groupchats\" section", function () {
+        describe("The \"Groupchats\" Add modal", function () {
 
-            it("contains a link to a modal through which a new chatroom can be created",
+            it("can be opened from a link in the \"Groupchats\" section of the controlbox",
                 mock.initConverse(
                     null, ['rosterGroupsFetched', 'chatBoxesFetched'], {},
                     async function (done, _converse) {
@@ -3980,15 +3980,15 @@
                     null, ['rosterGroupsFetched', 'chatBoxesFetched'], {},
                     async function (done, _converse) {
 
-                var sendIQ = _converse.connection.sendIQ;
-                var sent_stanza, IQ_id;
+                const sendIQ = _converse.connection.sendIQ;
+                let sent_stanza, IQ_id;
                 spyOn(_converse.connection, 'sendIQ').and.callFake(function (iq, callback, errback) {
                     sent_stanza = iq;
                     IQ_id = sendIQ.bind(this)(iq, callback, errback);
                 });
 
                 test_utils.openControlBox();
-                var roomspanel = _converse.chatboxviews.get('controlbox').roomspanel;
+                const roomspanel = _converse.chatboxviews.get('controlbox').roomspanel;
                 roomspanel.el.querySelector('.show-list-muc-modal').click();
                 test_utils.closeControlBox(_converse);
                 const modal = roomspanel.list_rooms_modal;
@@ -4036,6 +4036,9 @@
                 expect(view.el.querySelector('.chat-head-chatroom').textContent.trim()).toBe("Macbeth's Castle");
                 done();
             }));
+        });
+
+        describe("The \"Groupchats\" section", function () {
 
             it("shows the number of unread mentions received",
                 mock.initConverse(
@@ -4058,7 +4061,7 @@
                 const view = _converse.chatboxviews.get(room_jid);
                 view.model.set({'minimized': true});
 
-                var contact_jid = mock.cur_names[5].replace(/ /g,'.').toLowerCase() + '@localhost';
+                const contact_jid = mock.cur_names[5].replace(/ /g,'.').toLowerCase() + '@localhost';
                 const nick = mock.chatroom_names[0];
 
                 await view.model.onMessage($msg({
@@ -4087,6 +4090,7 @@
                 expect(roomspanel.el.querySelectorAll('.msgs-indicator').length).toBe(0);
                 done();
             }));
+        });
 
         describe("A Chat Status Notification", function () {
 
@@ -4393,5 +4397,4 @@
             });
         });
     });
-    });
 }));