Flaky Spec Fix: Set Profile Image to Nil to Avoid Server Errors in js Specs (#8350)

.travis.yml

@@ -49,7 +49,7 @@ before_install:
   - sudo systemctl start elasticsearch
 install:
   - bundle config set path 'vendor/bundle'
-  - bundle install --local --jobs 2
+  - bundle install --local --jobs=2
   - yarn install --frozen-lockfile
   - curl -L https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64
     > ./cc-test-reporter

spec/system/articles/user_visits_articles_by_tag_spec.rb

@@ -5,7 +5,7 @@ RSpec.describe "User visits articles by tag", type: :system do
   let(:iot_tag) { create(:tag, name: "IoT") }
   let!(:func_tag) { create(:tag, name: "functional") }
 
-  let(:author) { create(:user) }
+  let(:author) { create(:user, profile_image: nil) }
   let!(:article) { create(:article, tags: "javascript, IoT", user: author, published_at: 2.days.ago, score: 5) }
   let!(:article2) { create(:article, tags: "functional", user: author, published_at: Time.current, score: 5) }
   let!(:article3) { create(:article, tags: "functional, javascript", user: author, published_at: 2.weeks.ago, score: 5) }

spec/system/homepage/user_visits_homepage_articles_spec.rb

@@ -1,8 +1,8 @@
 require "rails_helper"
 
 RSpec.describe "User visits a homepage", type: :system do
-  let!(:article) { create(:article, reactions_count: 12, featured: true) }
-  let!(:article2) { create(:article, reactions_count: 20, featured: true) }
+  let!(:article) { create(:article, reactions_count: 12, featured: true, user: create(:user, profile_image: nil)) }
+  let!(:article2) { create(:article, reactions_count: 20, featured: true, user: create(:user, profile_image: nil)) }
   let!(:timestamp) { "2019-03-04T10:00:00Z" }
 
   context "when no options specified" do