Add view spec for more_actions_dropdown render branches

app/views/projects/notes/_more_actions_dropdown.html.haml

 - is_current_user = current_user == note.author
 
-- return unless note_editable || !is_current_user
-
-.dropdown.more-actions
+- if note_editable || !is_current_user
+  .dropdown.more-actions
     = button_tag title: 'More actions', class: 'note-action-button more-actions-toggle has-tooltip btn btn-transparent', data: { toggle: 'dropdown', container: 'body' } do
       = icon('ellipsis-v', class: 'icon')
     %ul.dropdown-menu.more-actions-dropdown.dropdown-open-left

spec/views/projects/notes/_more_actions_dropdown.html.haml_spec.rb

+require 'spec_helper'
+
+describe 'projects/notes/_more_actions_dropdown', :view do
+  let(:author_user) { create(:user) }
+  let(:not_author_user) { create(:user) }
+
+  let(:project) { create(:empty_project) }
+  let(:issue) { create(:issue, project: project) }
+  let!(:note) { create(:note_on_issue, author: author_user, noteable: issue, project: project) }
+
+  before do
+    allow(view).to receive(:note).and_return(note)
+    assign(:project, project)
+  end
+
+  context 'not editable and not current users comment' do
+    before do
+      allow(view).to receive(:note_editable).and_return(false)
+      allow(view).to receive(:current_user).and_return(not_author_user)
+
+      render
+    end
+
+    it 'shows Report as abuse button' do
+      expect(rendered).to have_link('Report as abuse')
+    end
+  end
+
+  context 'not editable and current users comment' do
+    before do
+      allow(view).to receive(:note_editable).and_return(false)
+      allow(view).to receive(:current_user).and_return(author_user)
+
+      render
+    end
+
+    it 'does not show the More actions button' do
+      expect(rendered).not_to have_selector('.dropdown.more-actions')
+    end
+  end
+
+  context 'editable and not current users comment' do
+    before do
+      allow(view).to receive(:note_editable).and_return(true)
+      allow(view).to receive(:current_user).and_return(not_author_user)
+
+      render
+    end
+
+    it 'shows Report as abuse, Edit and Delete buttons' do
+      expect(rendered).to have_link('Report as abuse')
+      expect(rendered).to have_button('Edit comment')
+      expect(rendered).to have_link('Delete comment')
+    end
+  end
+
+  context 'editable and current users comment' do
+    before do
+      allow(view).to receive(:note_editable).and_return(true)
+      allow(view).to receive(:current_user).and_return(author_user)
+
+      render
+    end
+
+    it 'shows Edit and Delete buttons' do
+      expect(rendered).to have_button('Edit comment')
+      expect(rendered).to have_link('Delete comment')
+    end
+  end
+end