Add testing infrastructure for the DynamicLibraryManager

[vgvassilev]

cc: @Smit1603

[codecov[bot]]

Codecov Report

Merging #155 (72624fd) into main (f5f7b56) will increase coverage by 4.45%. The diff coverage is 57.14%.

@@            Coverage Diff             @@
##             main     #155      +/-   ##
==========================================
+ Coverage   65.85%   70.31%   +4.45%     
==========================================
  Files          17       19       +2     
  Lines        4326     4332       +6     
==========================================
+ Hits         2849     3046     +197     
+ Misses       1477     1286     -191     

Files	Coverage Δ
unittests/CppInterOp/DynamicLibraryManagerTest.cpp	100.00% <100.00%> (ø)
...ittests/CppInterOp/TestSharedLib/TestSharedLib.cpp	0.00% <0.00%> (ø)
lib/Interpreter/DynamicLibraryManager.cpp	55.73% <0.00%> (+55.73%)	:arrow_up:

... and 4 files with indirect coverage changes

Files	Coverage Δ
unittests/CppInterOp/DynamicLibraryManagerTest.cpp	100.00% <100.00%> (ø)
...ittests/CppInterOp/TestSharedLib/TestSharedLib.cpp	0.00% <0.00%> (ø)
lib/Interpreter/DynamicLibraryManager.cpp	55.73% <0.00%> (+55.73%)	:arrow_up:

... and 4 files with indirect coverage changes

[vgvassilev]

The failures are preexisting.