add logic to handle for f.Close()

[my-git9]

Add logic to handle for f.Close() in test/e2e/fixture/fixture.go
Part of issue: #9963

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 45.96%. Comparing base (7d31d61) to head (a1b4e85).
Report is 2740 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master   #10004   +/-   ##
=======================================
  Coverage   45.96%   45.96%           
=======================================
  Files         227      227           
  Lines       27276    27276           
=======================================
  Hits        12538    12538           
  Misses      13036    13036           
  Partials     1702     1702           

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[crenshaw-dev]

Thanks @my-git9 !