moved helper functions from test-RandomGov-constructor to dedicated file helper_functions_for_tests.R.
updated test-calcMostPopularPrediction to statically test that function can be correctly applied over matrices.
moved reproducibility tests to dedicated file and updated check that prediction is reproducible.
changed foreach operator in performComWidePrediction_c to intelligently switch between %dopar% and %do% in the presence of a backend.
broke up test-RandomGov-construct into files dedicated to each specific context.
lowered nCom in unit tests to to speed up testing.