diff --git a/test/weights.jl b/test/weights.jl
index 133fe8a88..76277e02f 100644
--- a/test/weights.jl
+++ b/test/weights.jl
@@ -1,6 +1,15 @@
 using StatsBase
 using LinearAlgebra, Random, SparseArrays, Test
 
+
+# minimal custom weights type for tests below
+struct MyWeights <: AbstractWeights{Float64, Float64, Vector{Float64}}
+    values::Vector{Float64}
+    sum::Float64
+end
+MyWeights(values) = MyWeights(values, sum(values))
+
+
 @testset "StatsBase.Weights" begin
 weight_funcs = (weights, aweights, fweights, pweights)
 
@@ -611,12 +620,6 @@ end
 end
 
 @testset "custom weight types" begin
-    struct MyWeights <: AbstractWeights{Float64, Float64, Vector{Float64}}
-        values::Vector{Float64}
-        sum::Float64
-    end
-    MyWeights(values) = MyWeights(values, sum(values))
-
     @test mean([1, 2, 3], MyWeights([1, 4, 10])) ≈ 2.6
     @test mean([1, 2, 3], MyWeights([NaN, 4, 10])) |> isnan
     @test mode([1, 2, 3], MyWeights([1, 4, 10])) == 3