fix: use correct method names for background event snap in test-snaps

[hmalik88]

We had the wrong method names in the click handlers for background-events in test-snaps.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.08%. Comparing base (c99e664) to head (0c7daba).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3411   +/-   ##
=======================================
  Coverage   98.08%   98.08%           
=======================================
  Files         399      399           
  Lines       10999    10999           
  Branches     1732     1732           
=======================================
  Hits        10788    10788           
  Misses        211      211           

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