expensive_test_bd temporary fixing - * fixed temperature bug (calculations were made for 273 instead of 279.15 K) ; * replaced magic numbers with calculated values where possible ; * add various printouts till permenant fix ; * set temporary values to fix harmonic test, though the actual measurements do not agree with the calculated ones, but consistently so ; * a git hub feature is open for this, so the harmonic test should still be reevaluated
restored number of repeats in test