diff --git a/test/adapter_httpc_test.exs b/test/adapter_httpc_test.exs
index dddb3c3..72c54b9 100644
--- a/test/adapter_httpc_test.exs
+++ b/test/adapter_httpc_test.exs
@@ -18,14 +18,14 @@ defmodule ExVCR.Adapter.HttpcTest do
       ExVCR.Actor.CurrentRecorder.default_state()
       |> ExVCR.Actor.CurrentRecorder.set()
     end
-    url = "http://localhost:#{@port}/server" |> to_char_list()
+    url = "http://localhost:#{@port}/server" |> to_charlist()
     {:ok, result} = :httpc.request(url)
     {{_http_version, status_code, _reason_phrase}, _headers, _body} = result
     assert status_code == 200
   end
 
   test "passthrough works after cassette has been used" do
-    url = "http://localhost:#{@port}/server" |> to_char_list()
+    url = "http://localhost:#{@port}/server" |> to_charlist()
     use_cassette "httpc_get_localhost" do
       {:ok, result} = :httpc.request(url)
       {{_http_version, status_code, _reason_phrase}, _headers, _body} = result
diff --git a/test/adapter_ibrowse_test.exs b/test/adapter_ibrowse_test.exs
index 6ab436d..bab6684 100644
--- a/test/adapter_ibrowse_test.exs
+++ b/test/adapter_ibrowse_test.exs
@@ -18,13 +18,13 @@ defmodule ExVCR.Adapter.IBrowseTest do
       ExVCR.Actor.CurrentRecorder.default_state()
       |> ExVCR.Actor.CurrentRecorder.set()
     end
-    url = "http://localhost:#{@port}/server" |> to_char_list()
+    url = "http://localhost:#{@port}/server" |> to_charlist()
     {:ok, status_code, _headers, _body} = :ibrowse.send_req(url, [], :get)
     assert status_code == '200'
   end
 
   test "passthrough works after cassette has been used" do
-    url = "http://localhost:#{@port}/server" |> to_char_list()
+    url = "http://localhost:#{@port}/server" |> to_charlist()
     use_cassette "ibrowse_get_localhost" do
       {:ok, status_code, _headers, _body} = :ibrowse.send_req(url, [], :get)
       assert status_code == '200'
diff --git a/test/recorder_httpc_test.exs b/test/recorder_httpc_test.exs
index f9b43bf..d863d93 100644
--- a/test/recorder_httpc_test.exs
+++ b/test/recorder_httpc_test.exs
@@ -117,7 +117,7 @@ defmodule ExVCR.RecorderHttpcTest do
     ExVCR.Config.response_headers_blacklist(["Date"])
     use_cassette "remove_blacklisted_headers" do
       {:ok, {_, headers, _}} = :httpc.request(@url)
-      assert headers == [{'server', 'Cowboy'}, {'content-length', '13'}]
+      assert Enum.sort(headers) == Enum.sort([{'server', 'Cowboy'}, {'content-length', '13'}])
     end
     ExVCR.Config.response_headers_blacklist([])
   end