Improved tests
Improved tests

anaviltripathi/pgmpy,anaviltripathi/pgmpy,abinashpanda/pgmpy,liquidmetal/pgmpy,ankurankan/pgmpy,kris-singh/pgmpy,pgmpy/pgmpy,jhonatanoliveira/pgmpy,abinashpanda/pgmpy,kris-singh/pgmpy,sandeepkrjha/pgmpy,sandeepkrjha/pgmpy,jhonatanoliveira/pgmpy,ankurankan/pgmpy,pgmpy/pgmpy,khalibartan/pgmpy,liquidmetal/pgmpy,khalibartan/pgmpy