Get a number of erros KnapsackBagTests.cs(23, 21): [CS1061] 'object' does not contain a definition for 'Calculate' and no accessible extension method 'Calculate' accepting a first argument of type 'object' could be found (are you missing a using directive or an assembly reference?)
KnapsackBagTests.cs(23, 21): [CS1061] 'object' does not contain a definition for 'Calculate' and no accessible extension method 'Calculate' accepting a first argument of type 'object' could be found (are you missing a using directive or an assembly reference?)