Remove Random dependency (#254)

Project.toml

@@ -13,13 +13,11 @@ MathOptInterface = "b8f27783-ece8-5eb3-8dc8-9495eed66fee"
 Downloads = "<0.0.1, 1"
 Libdl = "<0.0.1, 1.6"
 MathOptInterface = "1"
-Random = "<0.0.1, 1.6"
 Test = "<0.0.1, 1.6"
 julia = "1.6"
 
 [extras]
-Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [targets]
-test = ["Random", "Test"]
+test = ["Test"]

test/test_MOI_wrapper.jl

@@ -9,7 +9,6 @@ using Xpress
 using Test
 
 import MathOptInterface as MOI
-import Random
 
 function runtests()
     for name in names(@__MODULE__; all = true)
@@ -1194,8 +1193,7 @@ function callback_knapsack_model()
     x = MOI.add_variables(model, N)
     MOI.add_constraints(model, x, MOI.ZeroOne())
     MOI.set.(model, MOI.VariablePrimalStart(), x, 0.0)
-    Random.seed!(1)
-    item_weights, item_values = rand(N), rand(N)
+    item_weights, item_values = abs.(cos.(1:N)), abs.(sin.(1:N))
     MOI.add_constraint(
         model,
         MOI.ScalarAffineFunction(MOI.ScalarAffineTerm.(item_weights, x), 0.0),