Add unit tests for printing to stdout and generating only specific tables.
Add unit tests for printing to stdout and generating only specific
tables.

dbeyer/benchexec,ultimate-pa/benchexec,ultimate-pa/benchexec,IljaZakharov/benchexec,sosy-lab/benchexec,sosy-lab/benchexec,cheshire/benchexec,IljaZakharov/benchexec,sosy-lab/benchexec,dbeyer/benchexec,sosy-lab/benchexec,michkot/benchexec,sosy-lab/benchexec,martin-neuhaeusser/benchexec,martin-neuhaeusser/benchexec,martin-neuhaeusser/benchexec,dbeyer/benchexec,michkot/benchexec,ultimate-pa/benchexec,martin-neuhaeusser/benchexec,ultimate-pa/benchexec,bjowac/impara-benchexec,ultimate-pa/benchexec,cheshire/benchexec,IljaZakharov/benchexec,IljaZakharov/benchexec,bjowac/impara-benchexec,michkot/benchexec,sosy-lab/benchexec,cheshire/benchexec,bjowac/impara-benchexec,ultimate-pa/benchexec,dbeyer/benchexec