diff --git a/spec/support/stories/profile_stories.rb b/spec/support/stories/profile_stories.rb
index f5fc9a441fd..07eaaca9fb9 100644
--- a/spec/support/stories/profile_stories.rb
+++ b/spec/support/stories/profile_stories.rb
@@ -3,6 +3,12 @@
 module ProfileStories
   attr_reader :bob, :alice, :alice_bio
 
+  def fill_in_auth_details(email, password)
+    fill_in 'user_email', with: email
+    fill_in 'user_password', with: password
+    click_on I18n.t('auth.login')
+  end
+
   def as_a_registered_user
     @bob = Fabricate(
       :user,
@@ -16,9 +22,7 @@ module ProfileStories
   def as_a_logged_in_user
     as_a_registered_user
     visit new_user_session_path
-    fill_in 'user_email', with: email
-    fill_in 'user_password', with: password
-    click_on I18n.t('auth.login')
+    fill_in_auth_details(email, password)
   end
 
   def as_a_logged_in_admin
diff --git a/spec/system/log_in_spec.rb b/spec/system/log_in_spec.rb
index c64e19d2b7c..8a73c42d2ed 100644
--- a/spec/system/log_in_spec.rb
+++ b/spec/system/log_in_spec.rb
@@ -17,17 +17,13 @@ describe 'Log in' do
   end
 
   it 'A valid email and password user is able to log in' do
-    fill_in 'user_email', with: email
-    fill_in 'user_password', with: password
-    click_on I18n.t('auth.login')
+    fill_in_auth_details(email, password)
 
     expect(subject).to have_css('div.app-holder')
   end
 
   it 'A invalid email and password user is not able to log in' do
-    fill_in 'user_email', with: 'invalid_email'
-    fill_in 'user_password', with: 'invalid_password'
-    click_on I18n.t('auth.login')
+    fill_in_auth_details('invalid_email', 'invalid_password')
 
     expect(subject).to have_css('.flash-message', text: failure_message('invalid'))
   end
@@ -36,9 +32,7 @@ describe 'Log in' do
     let(:confirmed_at) { nil }
 
     it 'A unconfirmed user is able to log in' do
-      fill_in 'user_email', with: email
-      fill_in 'user_password', with: password
-      click_on I18n.t('auth.login')
+      fill_in_auth_details(email, password)
 
       expect(subject).to have_css('div.admin-wrapper')
     end
diff --git a/spec/system/oauth_spec.rb b/spec/system/oauth_spec.rb
index 42ff4a48ac3..5d06f6111ce 100644
--- a/spec/system/oauth_spec.rb
+++ b/spec/system/oauth_spec.rb
@@ -3,6 +3,8 @@
 require 'rails_helper'
 
 describe 'Using OAuth from an external app' do
+  include ProfileStories
+
   subject { visit "/oauth/authorize?#{params.to_query}" }
 
   let(:client_app) { Doorkeeper::Application.create!(name: 'test', redirect_uri: about_url(host: Rails.application.config.x.local_domain), scopes: 'read') }
@@ -246,12 +248,6 @@ describe 'Using OAuth from an external app' do
 
   private
 
-  def fill_in_auth_details(email, password)
-    fill_in 'user_email', with: email
-    fill_in 'user_password', with: password
-    click_on I18n.t('auth.login')
-  end
-
   def fill_in_otp_details(value)
     fill_in 'user_otp_attempt', with: value
     click_on I18n.t('auth.login')