Add tests for get_state
Add tests for get_state

vivek425ster/pgmpy,anaviltripathi/pgmpy,khalibartan/pgmpy,pratyakshs/pgmpy,yashu-seth/pgmpy,sandeepkrjha/pgmpy,abinashpanda/pgmpy,abinashpanda/pgmpy,liquidmetal/pgmpy,kris-singh/pgmpy,kislayabhi/pgmpy,pratyakshs/pgmpy,jhonatanoliveira/pgmpy,palashahuja/pgmpy,ankurankan/pgmpy,anaviltripathi/pgmpy,khalibartan/pgmpy,pgmpy/pgmpy,ankurankan/pgmpy,liquidmetal/pgmpy,kislayabhi/pgmpy,kris-singh/pgmpy,palashahuja/pgmpy,vivek425ster/pgmpy,yashu-seth/pgmpy,pgmpy/pgmpy,jhonatanoliveira/pgmpy,sandeepkrjha/pgmpy