fixed 11 out or 34 conn shadowing cases

11 are multi-line, script does not do that

app/test/firehose_web/controllers/user_registration_controller_test.exs

@@ -5,8 +5,7 @@ defmodule FirehoseWeb.UserRegistrationControllerTest do
 
   describe "GET /users/register" do
     test "renders registration page", %{conn: conn} do
-      conn = get(conn, ~p"/users/register")
-      response = html_response(conn, 200)
+      response = conn |> get(~p"/users/register") |> html_response(200)
       assert response =~ "Register"
       assert response =~ ~p"/users/log-in"
       assert response =~ ~p"/users/register"
@@ -58,23 +57,21 @@ defmodule FirehoseWeb.UserRegistrationControllerTest do
       Application.put_env(:firehose, :allowed_registration_email, "allowed@example.com")
       on_exit(fn -> Application.delete_env(:firehose, :allowed_registration_email) end)
 
-      conn = post(conn, ~p"/users/register", %{"user" => %{"email" => "allowed@example.com"}})
-      assert Phoenix.Flash.get(conn.assigns.flash, :info) =~ "email was sent"
+      response = conn |> post(~p"/users/register", %{"user" => %{"email" => "allowed@example.com"}})
+      assert Phoenix.Flash.get(response.assigns.flash, :info) =~ "email was sent"
     end
 
     test "fails with invite-only message when email doesn't match", %{conn: conn} do
       Application.put_env(:firehose, :allowed_registration_email, "allowed@example.com")
       on_exit(fn -> Application.delete_env(:firehose, :allowed_registration_email) end)
 
-      conn = post(conn, ~p"/users/register", %{"user" => %{"email" => "other@example.com"}})
-      assert html_response(conn, 200) =~ "registration is invite only"
+      assert conn |> post(~p"/users/register", %{"user" => %{"email" => "other@example.com"}}) |> html_response(200) =~ "registration is invite only"
     end
 
     test "fails with invite-only message when env var is unset", %{conn: conn} do
       Application.delete_env(:firehose, :allowed_registration_email)
 
-      conn = post(conn, ~p"/users/register", %{"user" => %{"email" => "anyone@example.com"}})
-      assert html_response(conn, 200) =~ "registration is invite only"
+      assert conn |> post(~p"/users/register", %{"user" => %{"email" => "anyone@example.com"}}) |> html_response(200) =~ "registration is invite only"
     end
   end
 end