[ISSUE #2251]Reliance on default encoding [IOTinyUtilsTest]

[CalebZYC]

Fixes #2251

Motivation

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Modifications

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Documentation

• Does this pull request introduce a new feature? (yes / no)
• If yes, how is the feature documented? (not applicable / docs / JavaDocs / not documented)
• If a feature is not applicable for documentation, explain why?
• If a feature is not documented yet in this PR, please create a followup issue for adding the documentation

[codecov]

Codecov Report

Merging #2272 (d4cec31) into master (c6fb147) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master    #2272   +/-   ##
=========================================
  Coverage     11.74%   11.74%           
  Complexity      897      897           
=========================================
  Files           468      468           
  Lines         27861    27861           
  Branches       3010     3010           
=========================================
  Hits           3272     3272           
  Misses        24290    24290           
  Partials        299      299           

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