diff --git a/test/dsl/dsl_options.jl b/test/dsl/dsl_options.jl
index fcf572f33c..4bb7c91343 100644
--- a/test/dsl/dsl_options.jl
+++ b/test/dsl/dsl_options.jl
@@ -5,6 +5,7 @@
 # Fetch packages.
 using Catalyst, ModelingToolkitBase, OrdinaryDiffEq, Statistics, StochasticDiffEq, Plots, Test
 using Catalyst: symmap_to_varmap
+using SciMLBase
 using Symbolics: unwrap
 
 # Sets stable rng number.
diff --git a/test/simulation_and_solving/hybrid_models.jl b/test/simulation_and_solving/hybrid_models.jl
index d485567ee8..4573011c2d 100644
--- a/test/simulation_and_solving/hybrid_models.jl
+++ b/test/simulation_and_solving/hybrid_models.jl
@@ -1,5 +1,6 @@
 # Fetch packages.
 using Catalyst, JumpProcesses, ModelingToolkitBase, OrdinaryDiffEq, Statistics, Test, Random
+using SciMLBase
 using StochasticDiffEq: SRIW1  # For SDE+Jump hybrid problems
 import DiffEqNoiseProcess  # Required for SDEProblem via mtkcompile
 
diff --git a/test/simulation_and_solving/simulate_ODEs.jl b/test/simulation_and_solving/simulate_ODEs.jl
index f65513ff03..dd1df7a1c7 100644
--- a/test/simulation_and_solving/simulate_ODEs.jl
+++ b/test/simulation_and_solving/simulate_ODEs.jl
@@ -2,6 +2,7 @@
 
 # Fetch packages.
 using Catalyst, OrdinaryDiffEq, Test
+using SciMLBase
 
 # Sets stable rng number.
 using StableRNGs
diff --git a/test/simulation_and_solving/simulate_SDEs.jl b/test/simulation_and_solving/simulate_SDEs.jl
index 3fd300aa08..1c158f24fc 100644
--- a/test/simulation_and_solving/simulate_SDEs.jl
+++ b/test/simulation_and_solving/simulate_SDEs.jl
@@ -3,6 +3,7 @@
 # Fetch packages.
 using Catalyst, Statistics, StochasticDiffEq, Test
 using Catalyst: getnoisescaling
+using SciMLBase
 
 # Sets stable rng number.
 using StableRNGs
diff --git a/test/simulation_and_solving/simulate_jumps.jl b/test/simulation_and_solving/simulate_jumps.jl
index eafd71742c..0229d81b3c 100644
--- a/test/simulation_and_solving/simulate_jumps.jl
+++ b/test/simulation_and_solving/simulate_jumps.jl
@@ -2,6 +2,7 @@
 
 # Fetch packages.
 using Catalyst, JumpProcesses, ModelingToolkitBase, OrdinaryDiffEq, Statistics, Test
+using SciMLBase
 using SymbolicIndexingInterface: setp
 
 # Sets stable rng number.
diff --git a/test/spatial_modelling/dspace_reaction_systems_ODEs.jl b/test/spatial_modelling/dspace_reaction_systems_ODEs.jl
index 5337ad4264..bd70ec1fb9 100644
--- a/test/spatial_modelling/dspace_reaction_systems_ODEs.jl
+++ b/test/spatial_modelling/dspace_reaction_systems_ODEs.jl
@@ -3,6 +3,7 @@
 # Fetch packages.
 using OrdinaryDiffEq
 using Random, Statistics, SparseArrays, Test
+using SciMLBase
 
 # Fetch test networks.
 include("../spatial_test_networks.jl")
diff --git a/test/spatial_modelling/dspace_reaction_systems_jumps.jl b/test/spatial_modelling/dspace_reaction_systems_jumps.jl
index 0dd2bd34ac..c665ad0b37 100644
--- a/test/spatial_modelling/dspace_reaction_systems_jumps.jl
+++ b/test/spatial_modelling/dspace_reaction_systems_jumps.jl
@@ -2,6 +2,7 @@
 
 # Fetch packages.
 using JumpProcesses, Statistics, SparseArrays, Test
+using SciMLBase
 
 # Fetch test networks.
 include("../spatial_test_networks.jl")
@@ -194,4 +195,4 @@ let
             @test abs(d) < reltol * non_spatial_mean[i]
         end
     end
-end
\ No newline at end of file
+end
diff --git a/test/upstream/mtk_structure_indexing.jl b/test/upstream/mtk_structure_indexing.jl
index 75faa8a431..14f6a7cbf9 100644
--- a/test/upstream/mtk_structure_indexing.jl
+++ b/test/upstream/mtk_structure_indexing.jl
@@ -2,6 +2,7 @@
 
 # Fetch packages
 using Catalyst, JumpProcesses, NonlinearSolve, OrdinaryDiffEq, Plots, SteadyStateDiffEq, StochasticDiffEq, Test
+using SciMLBase
 import ModelingToolkitBase: getp, getu, setp, setu
 
 # Sets rnd number.