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	diff --git a/lib/open_api_spex/test/test_assertions.ex b/lib/open_api_spex/test/test_assertions.ex
	index 679e107..ae591bd 100644
	--- a/lib/open_api_spex/test/test_assertions.ex
	+++ b/lib/open_api_spex/test/test_assertions.ex
	@@ -1,42 +1,42 @@
	defmodule OpenApiSpex.TestAssertions do
	@moduledoc """
	Defines helpers for testing API responses and examples against API spec schemas.
	"""
	import ExUnit.Assertions
	alias OpenApiSpex.OpenApi
	alias OpenApiSpex.Cast.Error

	@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
	+ @spec assert_schema(term, String.t(), OpenApi.t()) :: term \| 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 OpenApiSpex.cast_value(value, schema, api_spec) do
	{:ok, data} ->
	data

	{:error, errors} ->
	errors =
	Enum.map(errors, fn error ->
	message = Error.message(error)
	path = 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