move classification integration from vision root to folder

[kaushikb11]

What does this PR do?

Move classification integration test from vision root to folder

Fixes # (issue)

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[codecov]

Codecov Report

Merging #86 (a1fe689) into master (b629006) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #86   +/-   ##
=======================================
  Coverage   86.64%   86.64%           
=======================================
  Files          45       45           
  Lines        1370     1370           
=======================================
  Hits         1187     1187           
  Misses        183      183           

Flag	Coverage Δ
unittests	86.64% <ø> (ø)

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