Add Gradescope Testing

app/facades/gradescope_facade.rb

@@ -104,7 +104,7 @@ def provision_extension(course_id, student_email, assignment_id, new_due_date)
 
       student_data = students_data['students'].find { |s| s['email'] == student_email }
       unless student_data
-        Rails.logger.error "Failed to fetch assignment extensions: No response for student #{student_email}"
+        Rails.logger.error "Failed to fetch assignment extensions: Student #{student_email} not found"
         return nil
       end
       student_id = student_data['id']

lib/lmss/gradescope/client.rb

@@ -1,8 +1,9 @@
 require 'faraday'
 require 'faraday-cookie_jar'
-
 require 'nokogiri'
 
+require_relative 'error'
+
 module Lmss
   module Gradescope
     class Client
@@ -91,11 +92,11 @@ def handle_response(response)
         when 200..299
           response.body
         when 401, 403
-          raise Lmss::Gradescope::AuthenticationError, 'Authentication required'
+          raise AuthenticationErrors, 'Authentication required'
         when 404
-          raise Lmss::Gradescope::NotFoundError, 'Resource not found'
+          raise NotFoundError, 'Resource not found'
         else
-          raise Lmss::Gradescope::RequestError, "Request failed: #{status}"
+          raise RequestError, "Request failed: #{status}"
         end
       end
     end