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	diff --git a/lib/open_api_spex/test/assertions2.ex b/lib/open_api_spex/test/assertions2.ex
	index 225afcf..ca8e5d9 100644
	--- a/lib/open_api_spex/test/assertions2.ex
	+++ b/lib/open_api_spex/test/assertions2.ex
	@@ -1,37 +1,42 @@
	defmodule OpenApiSpex.Test.Assertions2 do
	@moduledoc """
	Defines helpers for testing API responses and examples against API spec schemas.
	"""
	alias OpenApiSpex.OpenApi
	alias OpenApiSpex.Cast
	import ExUnit.Assertions

	@dialyzer {:no_match, assert_schema: 3}

	@doc """
	Asserts that `value` conforms to the schema with title `schema_title` in `api_spec`.
	"""
	@spec assert_schema(map, String.t(), OpenApi.t()) :: map \| no_return
	def assert_schema(value = %{}, schema_title, api_spec = %OpenApi{}) do
	schemas = api_spec.components.schemas
	schema = schemas[schema_title]

	if !schema do
	flunk("Schema: #{schema_title} not found in #{inspect(Map.keys(schemas))}")
	end

	case Cast.cast(schema, value, api_spec.components.schemas) do
	{:ok, data} ->
	data

	{:error, errors} ->
	- errors = Enum.map(errors, &to_string/1)
	+ errors =
	+ Enum.map(errors, fn error ->
	+ message = OpenApiSpex.Cast.Error.message(error)
	+ path = OpenApiSpex.Cast.Error.path_to_string(error)
	+ "#{message} at #{path}"
	+ end)

	flunk(
	"Value does not conform to schema #{schema_title}: #{Enum.join(errors, "\n")}\n#{
	inspect(value)
	}"
	)
	end
	end
	end