Added tests for UploadSharedObjectFilesTaskTest

[priettt]

Goal

Added additional testing for UploadSharedObjectFilesTask.

Some things that will be added in a following PR:

• Use failBuildOnUploadErrors to decide if we continue the build or we fail it.
• Address TODOs in the class.

[fractalwrench]

LGTM

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.38%. Comparing base (bf031a8) to head (9cf576b).

Additional details and impacted files

@@                          Coverage Diff                           @@
##           priettt/hashSharedObjectFilesTaskTest    #2062   +/-   ##
======================================================================
  Coverage                                  85.37%   85.38%           
======================================================================
  Files                                        466      466           
  Lines                                      10523    10523           
  Branches                                    1558     1558           
======================================================================
+ Hits                                        8984     8985    +1     
+ Misses                                       858      857    -1     
  Partials                                     681      681           

see 1 file with indirect coverage changes

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