Update

Author: odow

Project.toml

@@ -11,14 +11,16 @@ MathOptInterface = "b8f27783-ece8-5eb3-8dc8-9495eed66fee"
 Combinatorics = "1"
 HiGHS = "1"
 Ipopt = "1"
+JSON = "0.21"
 MathOptInterface = "1.19"
 Test = "<0.0.1, 1.6"
 julia = "1.6"
 
 [extras]
 HiGHS = "87dc4568-4c63-4d18-b0c0-bb2238e4078b"
 Ipopt = "b6b21f68-93f8-5de0-b562-5493be1d77c9"
+JSON = "682c06a0-de6a-54ab-a142-c8b1cf79cde6"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [targets]
-test = ["HiGHS", "Ipopt", "Test"]
+test = ["HiGHS", "Ipopt", "JSON", "Test"]

test/algorithms/DominguezRios.jl

@@ -8,7 +8,6 @@ module TestDominguezRios
 using Test
 
 import HiGHS
-import JSON
 import MultiObjectiveAlgorithms as MOA
 import MultiObjectiveAlgorithms: MOI
 

test/problems.jl

@@ -6,6 +6,7 @@
 module Problems
 
 using Test
+import JSON
 import MathOptInterface as MOI
 
 function run_tests(model::MOI.ModelLike)