Tests

update design.css #317

Job	Run time
Tests with modeling interface	2m 57s
Tests with HiGHS (branch-and-bound/test_bab_knapsack_HiGHS)	7m 3s
Tests with GLPK (branch-and-bound/test_bab_knapsack_GLPK)	4m 47s
Tests with HiGHS (branch-and-bound/test_bab_location_HiGHS)	6m 55s
Tests with GLPK (branch-and-bound/test_bab_location_GLPK)	3m 36s
Tests with HiGHS (branch-and-price/test_bap_assignment_HiGHS)	6m 47s
Tests with Mosek (branch-and-bound/test_bab_knapsack_Mosek)	6m 49s
Tests with GLPK (branch-and-price/test_bap_assignment_GLPK)	6m 2s
Tests with Mosek (branch-and-bound/test_bab_location_Mosek)	5m 19s
Tests with Mosek (branch-and-price/test_bap_assignment_Mosek)	10m 5s
Upload coverage report	0s
	1h 0m 20s

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