diff --git a/lib/tasks/seeds_helper.rb b/lib/tasks/seeds_helper.rb
index 0bdb27ae1..df0a5992e 100644
--- a/lib/tasks/seeds_helper.rb
+++ b/lib/tasks/seeds_helper.rb
@@ -8,6 +8,7 @@ module SeedsHelper
   TEST_USERS = {
     jane_doe: '583ba872-b16e-46e1-9f7d-df89d267550d', # jane.doe@example.com
     john_doe: 'bbb9b8fd-f357-4238-983d-6f87b99bdbb2', # john.doe@example.com
+    johan_doe: 'cccccccc-f357-4238-983d-6f87b99bdbb2', # teacher with no associated class
     jane_smith: 'e52de409-9210-4e94-b08c-dd11439e07d9', # student
     john_smith: '0d488bec-b10d-46d3-b6f3-4cddf5d90c71', # student
     emily_ssouser: '88e0aed6-8f20-4e40-98f9-610a0ab1cfcc', # sso student
diff --git a/lib/tasks/test_seeds.rake b/lib/tasks/test_seeds.rake
index 76abef66c..05cadbe3b 100644
--- a/lib/tasks/test_seeds.rake
+++ b/lib/tasks/test_seeds.rake
@@ -12,6 +12,7 @@ namespace :test_seeds do
       creator_id = ENV.fetch('SEEDING_CREATOR_ID', TEST_USERS[:jane_doe])
       teacher_id = ENV.fetch('SEEDING_TEACHER_ID', TEST_USERS[:john_doe])
       teacher_signup_id = TEST_USERS[:jim_dun]
+      teacher_unassigned_id = TEST_USERS[:johan_doe]
 
       # Hard coded as the student's school needs to match
       student_ids = [TEST_USERS[:jane_smith], TEST_USERS[:john_smith], TEST_USERS[:emily_ssouser]]
@@ -21,6 +22,7 @@ namespace :test_seeds do
 
       # Remove the roles first
       Role.where(user_id: teacher_signup_id).destroy_all
+      Role.where(user_id: teacher_unassigned_id).destroy_all
       Role.where(user_id: [creator_id, teacher_id] + student_ids).destroy_all
 
       # Destroy the project and then the lesson itself (The lesson's `before_destroy` prevents us using destroy)
@@ -58,11 +60,16 @@ namespace :test_seeds do
 
         creator_id = ENV.fetch('SEEDING_CREATOR_ID', TEST_USERS[:jane_doe])
         teacher_id = ENV.fetch('SEEDING_TEACHER_ID', TEST_USERS[:john_doe])
+        teacher_unassigned_id = TEST_USERS[:johan_doe]
 
         school = create_school(creator_id, TEST_SCHOOL)
 
         verify_school(school)
+
+        school.school_email_domains.build(domain: 'example.com').save!
+
         assign_a_teacher(teacher_id, school)
+        assign_a_teacher(teacher_unassigned_id, school)
 
         # for each of the owner and teacher, create a class and assign students
         [creator_id, teacher_id].each do |user_id|