diff --git a/test/param_serialize.jl b/test/param_serialize.jl
index 8961b57..353e6b1 100644
--- a/test/param_serialize.jl
+++ b/test/param_serialize.jl
@@ -1,6 +1,7 @@
 module ParamSerialization
 using Test
 using OpenAPI.Servers: deserialize_deep_object
+using OpenAPI: convert_dicts_to_arrays
 @testset "Test deserialize_deep_object" begin
     @testset "Single level object" begin
         query_string = Dict("key1"=>"value1", "key2"=>"value2")
@@ -27,13 +28,13 @@ using OpenAPI.Servers: deserialize_deep_object
 
     @testset "List of values" begin
         query_string = Dict("a[0]"=>"value1", "a[1]"=>"value2")
-        expected = Dict("a" => ["value1", "value2"])
+        expected = Dict("a"=>Dict("0"=>"value1", "1"=>"value2"))
         @test deserialize_deep_object(query_string) == expected
     end
 
     @testset "Mixed structure" begin
         query_string = Dict("a[b]"=>"value1", "a[c][0]"=>"value2", "a[c][1]"=>"value3")
-        expected = Dict("a" => Dict("b" => "value1", "c" => ["value2", "value3"]))
+        expected = Dict("a" => Dict("b" => "value1", "c" => Dict("0"=>"value2", "1"=>"value3")))
         @test deserialize_deep_object(query_string) == expected
     end
 
@@ -48,7 +49,7 @@ using OpenAPI.Servers: deserialize_deep_object
         expected = Dict("a" => Dict("b" => Dict("c" => Dict("d" => "value1", "e" => "value2")), "f" => "value3"))
         @test deserialize_deep_object(query_string) == expected
     end
-    @testset "Complex nested structure with numbers and nested arrays" begin
+    @testset "Complex nested structure with numbers and nessted" begin
         query_string = Dict{String, String}(
             "filter[0][name]"      => "name",
             "filter[0][data][0]"   => "Dog",
@@ -57,11 +58,11 @@ using OpenAPI.Servers: deserialize_deep_object
             "filter[0][type]"      => "FilterSet",
             "pagination[per_page]" => "5", "pagination[foo]" => "5.0")
         expected = Dict(
-            "pagination" => Dict( "page"     => 1,
-                                  "per_page" => 5,
-                                  "type"     => "offset", "foo"=>5.0),
-            "filter"=>[Dict(
-                "name" => "name", "data" => ["Dog"], "type" => "FilterSet")]
+            "pagination" => Dict( "page"     => "1",
+                                  "per_page" => "5",
+                                  "type"     => "offset", "foo"=>"5.0"),
+            "filter"=>Dict("0"=>Dict(
+                "name" => "name", "data" => Dict("0"=>"Dog"), "type" => "FilterSet"))
         )
         d = deserialize_deep_object(query_string)
         @test d["pagination"] == expected["pagination"]