Split testing with Beta browser in a different section

wiki/src/contribute/working_together/roles/verification_javascript.mdwn

@@ -20,6 +20,8 @@ to their skills and availability:
   - Our secret JavaScript expert when we have no other option or when we
     require more security expertise.
 
+[[!toc]]
+
 Release process
 ===============
 
@@ -98,10 +100,6 @@ Perform the following steps for each of:
         sudo apt install chromium
         chromium --no-sandbox
 
-Additionally, make sure to test verification JavaScript at least once a
-year with Firefox Beta and Chrome Beta, as part of the release process
-or not. ([[!tails_ticket 18224]])
-
 Steps
 -----
 
@@ -137,18 +135,24 @@ Checklist
 ---------
 
     - [ ] Tor Browser
-      - [ ] IMG
-        - [ ] Good
-        - [ ] Truncated
-        - [ ] Rogue
+      - [ ] Good
+      - [ ] Truncated
+      - [ ] Rogue
     - [ ] Firefox ESR
-      - [ ] IMG
-        - [ ] Good
-        - [ ] Truncated
-        - [ ] Rogue
+      - [ ] Good
+      - [ ] Truncated
+      - [ ] Rogue
     - [ ] Chromium
-      - [ ] IMG
-        - [ ] Good
-        - [ ] Truncated
-        - [ ] Rogue
+      - [ ] Good
+      - [ ] Truncated
+      - [ ] Rogue
     - [ ] Backward incompatibility
+
+Testing with Firefox Beta and Chrome Beta
+=========================================
+
+We test the verification JavaScript at least once a year with Firefox Beta and
+Chrome Beta, unless it was already tested as part of the release process of a
+new version. ([[!tails_ticket 18224]])
+
+See above how to generate truncated and rogue USB images.