Add first model feature (constraint RHS)

tests/__init__.py

@@ -1,26 +1,3 @@
 #  MIPLearn: Extensible Framework for Learning-Enhanced Mixed-Integer Optimization
 #  Copyright (C) 2020, UChicago Argonne, LLC. All rights reserved.
 #  Released under the modified BSD license. See COPYING.md for more details.
-
-from miplearn.problems.knapsack import KnapsackInstance
-from miplearn.solvers.learning import LearningSolver
-
-
-def get_test_pyomo_instances():
-    instances = [
-        KnapsackInstance(
-            weights=[23.0, 26.0, 20.0, 18.0],
-            prices=[505.0, 352.0, 458.0, 220.0],
-            capacity=67.0,
-        ),
-        KnapsackInstance(
-            weights=[25.0, 30.0, 22.0, 18.0],
-            prices=[500.0, 365.0, 420.0, 150.0],
-            capacity=70.0,
-        ),
-    ]
-    models = [instance.to_model() for instance in instances]
-    solver = LearningSolver()
-    for i in range(len(instances)):
-        solver.solve(instances[i], models[i])
-    return instances, models