Add BenchmarkTools in [extras]

Author: YingboMa

Project.toml

@@ -69,6 +69,7 @@ Unitful = "1.1"
 julia = "1.2"
 
 [extras]
+BenchmarkTools = "6e4b80f9-dd63-53aa-95a3-0cdb28fa8baf"
 ForwardDiff = "f6369f11-7733-5829-9624-2563aa707210"
 GalacticOptim = "a75be94c-b780-496d-a8a9-0878b188d577"
 NonlinearSolve = "8913a72c-1f9b-4ce2-8d82-65094dcecaec"
@@ -80,4 +81,4 @@ StochasticDiffEq = "789caeaf-c7a9-5a7d-9973-96adeb23e2a0"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [targets]
-test = ["ForwardDiff", "GalacticOptim", "NonlinearSolve", "OrdinaryDiffEq", "Optim", "Random", "SteadyStateDiffEq", "Test", "StochasticDiffEq"]
+test = ["BenchmarkTools", "ForwardDiff", "GalacticOptim", "NonlinearSolve", "OrdinaryDiffEq", "Optim", "Random", "SteadyStateDiffEq", "Test", "StochasticDiffEq"]