diff --git a/test/integrators/ode_cache_tests.jl b/test/integrators/ode_cache_tests.jl
index 4a233290f8..76c9ced10c 100644
--- a/test/integrators/ode_cache_tests.jl
+++ b/test/integrators/ode_cache_tests.jl
@@ -87,6 +87,11 @@ affect_matrix! = function (integrator)
 end
 callback_matrix = ContinuousCallback(condition_matrix, affect_matrix!)
 
+Base.similar(x::ElasticArrays.ElasticArray, ::Type{T}) where T = deepcopy(x)
+Base.copy(x::ElasticArrays.ElasticArray) = deepcopy(x)
+Base.zero(x::ElasticArrays.ElasticArray) = ElasticArray(zero(Array(x)))
+Base.resize!(x::ElasticArrays.ElasticArray,i::Tuple) = resize!(x,i...)
+
 for alg in CACHE_TEST_ALGS
   OrdinaryDiffEq.isimplicit(alg) && continue # this restriction should be removed in the future
   @show alg