YONK-643 Hyperlink is showing as text for learners is fixed.

common/static/common/js/discussion/views/discussion_thread_list_view.js

@@ -165,6 +165,7 @@
                 $currentElement = this.$('.forum-nav-thread[data-id=' + threadId + ']');
                 active = $currentElement.has('.forum-nav-thread-link.is-active').length !== 0;
                 $currentElement.replaceWith($content);
+                this.convertMath($content);
                 this.showMetadataAccordingToSort();
                 if (this.supportsActiveThread && active) {
                     this.setActiveThread(threadId);
@@ -215,12 +216,19 @@
                 return this;
             };
 
+            DiscussionThreadListView.prototype.convertMath = function(element) {
+                if (typeof element !== 'undefined') {
+                    DiscussionUtil.convertMath(element.find('.thread-preview-body'));
+                }
+            };
+
             DiscussionThreadListView.prototype.renderThreads = function() {
                 var $content, thread, i, len;
                 this.$('.forum-nav-thread-list').empty();
                 for (i = 0, len = this.displayedCollection.models.length; i < len; i++) {
                     thread = this.displayedCollection.models[i];
                     $content = this.renderThread(thread);
+                    this.convertMath($content);
                     this.$('.forum-nav-thread-list').append($content);
                 }
                 this.showMetadataAccordingToSort();

common/static/karma_common.conf.js

@@ -54,7 +54,13 @@ var options = {
         {pattern: 'common/js/xblock/runtime.v1.js', included: true},
         {pattern: 'common/js/discussion/**/*.js', included: true},
         {pattern: 'js/capa/src/**/*.js', included: true},
-        {pattern: 'js/src/**/*.js', included: true}
+        {pattern: 'js/src/**/*.js', included: true},
+        {pattern: '../../lms/static/js/Markdown.Converter.js', included: true},
+        {pattern: '../../lms/static/js/Markdown.Editor.js', included: true},
+        {pattern: '../../lms/static/js/Markdown.Sanitizer.js', included: true},
+        {pattern: '../../lms/static/js/split.js', included: true},
+        {pattern: '../../lms/static/coffee/src/customwmd.js', included: true},
+        {pattern: '//cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/MathJax.js?config=TeX-MML-AM_SVG&delayStartupUntil=configured', included: true} // eslint-disable-line max-len
     ],
 
     specFiles: [