Show author names in problem and translation views

test/controllers/translations_controller_test.rb

@@ -22,7 +22,7 @@ class TranslationsControllerTest < ActionDispatch::IntegrationTest
     assert_response :success
   end
 
-  test "should create translation" do
+  test "should create translation anonymously" do
     assert_difference('Translation.count') do
       post problem_translations_url(problem_id: 1, translation: @update)
     end
@@ -30,6 +30,16 @@ class TranslationsControllerTest < ActionDispatch::IntegrationTest
     assert_redirected_to problem_path(id: 1)
   end
 
+  test "should create translation with user" do
+    login_translator
+    assert_difference('Translation.count') do
+      post problem_translations_url(problem_id: 1, translation: @update)
+    end
+
+    assert_redirected_to problem_path(id: 1)
+    assert_equal users(:translator), Translation.last.author
+  end
+
   test "should not create incorrect translation" do
     assert_no_difference('Translation.count') do
       post problem_translations_url(problem_id: 1, translation: @incorrect)

test/test_helper.rb

@@ -10,6 +10,12 @@ class ActiveSupport::TestCase
   fixtures :all
 
   # Add more helper methods to be used by all tests here...
+end
+
+
+class ActionDispatch::IntegrationTest
+  include Devise::Test::IntegrationHelpers
+
   def login_admin
     admin = users(:admin)
     sign_in admin
@@ -19,10 +25,7 @@ class ActiveSupport::TestCase
     translator = users(:translator)
     sign_in translator
   end
-end
 
-
-class ActionDispatch::IntegrationTest
   OmniAuth.config.test_mode = true
   OmniAuth.config.mock_auth[:github] = OmniAuth::AuthHash.new({
       provider: :github,