fixup! add tests

Author: utkarsh530

Project.toml

@@ -74,6 +74,7 @@ StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 Symbolics = "0c5d862f-8b57-4792-8d23-62f2024744c7"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 Zygote = "e88e6eb3-aa80-5325-afca-941959d7151f"
+DiffEqBase = "2b5f629d-d688-5b77-993f-72d75c75574e"
 
 [targets]
-test = ["Enzyme", "BenchmarkTools", "SafeTestsets", "Pkg", "Test", "ForwardDiff", "StaticArrays", "Symbolics", "LinearSolve", "Random", "LinearAlgebra", "Zygote", "SparseDiffTools", "NonlinearProblemLibrary", "LeastSquaresOptim", "FastLevenbergMarquardt"]
+test = ["Enzyme", "BenchmarkTools", "SafeTestsets", "Pkg", "Test", "ForwardDiff", "StaticArrays", "Symbolics", "LinearSolve", "Random", "LinearAlgebra", "Zygote", "SparseDiffTools", "NonlinearProblemLibrary", "LeastSquaresOptim", "FastLevenbergMarquardt", "DiffEqBase"]

test/basictests.jl

@@ -1,5 +1,5 @@
 using BenchmarkTools, LinearSolve, NonlinearSolve, StaticArrays, Random, LinearAlgebra,
-    Test, ForwardDiff, Zygote, Enzyme, SparseDiffTools
+    Test, ForwardDiff, Zygote, Enzyme, SparseDiffTools, DiffEqBase
 
 _nameof(x) = applicable(nameof, x) ? nameof(x) : _nameof(typeof(x))
 
@@ -429,7 +429,7 @@ end
         end
         termination_condition = NLSolveTerminationCondition(mode; abstol = nothing,
             reltol = nothing)
-        probN2 = NonlinearProblem(quadratic_f, u0, 2.0)
+        probN = NonlinearProblem(quadratic_f, u0, 2.0)
         @test all(solve(probN, LevenbergMarquardt(; termination_condition)).u .≈ sqrt(2.0))
     end
 end