anchor.diff:      <th>Status</th>
       <th>Sent at</th>
     </tr>
  -  <% participant = Participant.where(user_id: session[:user].id, parent_id:  assignment_id).first
  -  requests=JoinTeamRequest.where(participant_id: participant.id) %>
  -<% if requests != nil %>
   
     <% requests.each do |request| %>
   
  
positive.code:       </td>
      </tr>
    <% end %>
  <% else %>
    <tr>
      <td colspan ='4' > You didn't send any request yet</td>
    </tr>
  
  <% end %>
    </table>
  
negative.code: <% participant = Participant.where(user_id: session[:user].id, parent_id:  assignment_id).first
     requests=JoinTeamRequest.where(participant_id: participant.id) %>
  <% if !requests.empty? %>
  
  <h2>Sent Requests </h2>
  
  <table cellpadding="5">
  