add tests

test/fixtures/users.yml

@@ -1,23 +1,23 @@
 # Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
 
 one:
-  email: MyString
-  password_digest: MyString
-  name: MyString
+  email: "one@example.com"
+  password_digest: <%= BCrypt::Password.create('password') %>
+  name: "User One"
   role: 1
-  primary_language: MyString
-  invitation_token: MyString
+  primary_language: "en"
+  invitation_token: "one"
   invitation_sent_at: 2026-01-22 13:38:37
   invitation_accepted_at: 2026-01-22 13:38:37
   invited_by: one
 
 two:
-  email: MyString
-  password_digest: MyString
-  name: MyString
+  email: "two@example.com"
+  password_digest: <%= BCrypt::Password.create('password') %>
+  name: "User Two"
   role: 1
-  primary_language: MyString
-  invitation_token: MyString
+  primary_language: "fi"
+  invitation_token: "two"
   invitation_sent_at: 2026-01-22 13:38:37
   invitation_accepted_at: 2026-01-22 13:38:37
   invited_by: two