IssueNotesRefactor: Fix issue spinach tests.

app/assets/javascripts/notes/components/issue_comment_form.vue

@@ -90,7 +90,9 @@ export default {
               this.discard();
             }
           })
-          .catch(this.handleError);
+          .catch(() => {
+            this.discard(false);
+          });
       }
 
       if (withIssueAction) {
@@ -109,12 +111,15 @@ export default {
         $(`.js-btn-issue-action.${btnClass}:visible`).trigger('click');
       }
     },
-    discard() {
+    discard(shouldClear = true) {
       // `blur` is needed to clear slash commands autocomplete cache if event fired.
       // `focus` is needed to remain cursor in the textarea.
       this.$refs.textarea.blur();
       this.$refs.textarea.focus();
+
+      if (shouldClear) {
         this.note = '';
+      }
     },
     setNoteType(type) {
       this.noteType = type;

app/assets/javascripts/notes/stores/issue_notes_store.js

@@ -251,7 +251,12 @@ const actions = {
         context.commit('removePlaceholderNotes');
 
         return res;
-      });
+      })
+      .catch(() => {
+        const msg = 'Your comment could not be submitted! Please check your network connection and try again.';
+        Flash(msg, 'alert', $(noteData.flashContainer));
+        context.commit('removePlaceholderNotes');
+      })
   },
   poll(context) {
     const { notesPath } = $('.js-notes-wrapper')[0].dataset;

features/project/issues/issues.feature

@@ -46,7 +46,6 @@ Feature: Project Issues
     Given I visit issue page "Release 0.4"
     And I leave a comment like "XML attached"
     Then I should see comment "XML attached"
-    And I should see an error alert section within the comment form
 
   @javascript
   Scenario: Visiting Issues after being sorted the list