test: provide tolerances to Sundials initialization tests

Author: AayushSabharwal

test/downstream/initialization.jl

@@ -13,11 +13,12 @@ using OrdinaryDiffEq, Sundials, SciMLBase, Test
         oopfn = ODEFunction{false}(rhs, mass_matrix = [1 0; 0 0])
         iipfn = ODEFunction{true}(rhs!, mass_matrix = [1 0; 0 0])
 
+        abstol = 1e-10
         @testset "Inplace = $(SciMLBase.isinplace(f))" for f in [oopfn, iipfn]
             prob = ODEProblem(f, [1.0, 1.0], (0.0, 1.0))
             integ = init(prob, Sundials.ARKODE())
             u0, _, success = SciMLBase.get_initial_values(
-                prob, integ, f, SciMLBase.CheckInit(), Val(SciMLBase.isinplace(f)))
+                prob, integ, f, SciMLBase.CheckInit(), Val(SciMLBase.isinplace(f)); abstol)
             @test success
             @test u0 == prob.u0
 
@@ -43,7 +44,7 @@ using OrdinaryDiffEq, Sundials, SciMLBase, Test
             prob = DAEProblem(f, [1.0, 0.0], [1.0, 1.0], (0.0, 1.0), 1.0)
             integ = init(prob, Sundials.IDA())
             u0, _, success = SciMLBase.get_initial_values(
-                prob, integ, f, SciMLBase.CheckInit(), Val(SciMLBase.isinplace(f)))
+                prob, integ, f, SciMLBase.CheckInit(), Val(SciMLBase.isinplace(f)); abstol)
             @test success
             @test u0 == prob.u0