SNOW-1256899 Enable structured types on GH tests

[sfc-gh-pfus]

Description

SNOW-1256899 Enable structured types tests on github.

Checklist

• Created tests which fail without the change (if possible)
• Extended the README / documentation, if necessary

[codecov]

Codecov Report

Attention: Patch coverage is 88.46154% with 6 lines in your changes missing coverage. Please review.

Project coverage is 83.16%. Comparing base (7ec87ef) to head (e352c90).
Report is 1 commits behind head on master.

Files	Patch %	Lines
converter.go	86.95%	6 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           master    #1130       +/-   ##
===========================================
+ Coverage   71.63%   83.16%   +11.53%     
===========================================
  Files          54       54               
  Lines       12117    12149       +32     
===========================================
+ Hits         8680    10104     +1424     
+ Misses       3437     2045     -1392     

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