Tests

fixes wrong interpretation of MibS interface #455

Job	Run time
GLPK Wrapper (branch-and-bound/test_bab_knapsack_GLPK)	4m 17s
HiGHS Wrapper (branch-and-bound/test_bab_knapsack_HiGHS)	8m 1s
GLPK Wrapper (branch-and-bound/test_bab_location_GLPK)	3m 54s
HiGHS Wrapper (branch-and-bound/test_bab_location_HiGHS)	7m 22s
GLPK Wrapper (branch-and-price/test_bap_assignment_GLPK)	6m 1s
HiGHS Wrapper (branch-and-price/test_bap_assignment_HiGHS)	9m 30s
Modeling Interface	3m 15s
Mosek Wrapper (branch-and-bound/test_bab_knapsack_Mosek)	6m 47s
Mosek Wrapper (branch-and-bound/test_bab_location_Mosek)	6m 6s
Mosek Wrapper (branch-and-price/test_bap_assignment_Mosek)	10m 37s
Coverage Report	12s
	1h 6m 2s

Provide feedback