Finish _participants view spec

spec/views/shared/issuable/_participants.html.haml.rb

 require 'spec_helper'
 require 'nokogiri'
 
-def expect_lazy_load_image(author)
-  avatar = author.find('img')
-
-  expect(avatar[:src]).to eql?('data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==')
-  expect(avatar[:"data-src"]).to exist
-end
-
 describe 'shared/issuable/_participants.html.haml' do
   let(:project) { create(:project) }
-  let(:participants)  { create_list(:user, 10) }
+  let(:participants)  { create_list(:user, 100) }
 
   before do
     allow(view).to receive_messages(project: project,
                                     participants: participants)
   end
 
-  it 'displays' do
+  it 'renders lazy loaded avatars' do
     render 'shared/issuable/participants'
 
     html = Nokogiri::HTML(rendered)
 
-    authors = html.css('.participants-author')
-    p authors
-    p authors.size
-    visible_authors = authors[0..6]
-    hidden_authors = authors[7..-1]
-
-    visible_authors.each do |author|
-      expect(author).not_to have_selector('js-participants-hidden')
-      expect_lazy_load_image(author)
-    end
+    avatars = html.css('.participants-author img')
 
-    hidden_authors.each do |author|
-      expect(author).to have_selector('js-participants-hidden')
-      expect_lazy_load_image(author)
+    avatars.each do |avatar|
+      expect(avatar[:class]).to include('lazy')
+      expect(avatar[:src]).to eql('data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==')
+      expect(avatar[:"data-src"]).to match('http://www.gravatar.com/avatar/')
     end
   end
 end