<p> Signup </p>
<%= form_for @user do |f| %>
  <%= f.label :user_name %>
  <%= f.text_field :user_name %>

  <%= f.label :email %>
  <%= f.text_field :email %>

  <%= f.label :password %>
  <%= f.password_field :password %>

  <%= f.submit %>
<% end %>


<p> Signup </p>
<%= form_for @user do |f| %>
  <%= f.label :user_name %>
  <%= f.text_field :user_name %>

  <%= f.label :email %>
  <%= f.text_field :email %>

  <%= f.label :password %>
  <%= f.password_field :password %>

  <%= f.submit id: 'create_user' %>
<% end %>


Add id to submit button on create user form
Add id to submit button on create user form
