changes to accommodate a delete user modal

test/bones73k/accounts_test.exs

@@ -37,7 +37,7 @@ defmodule Bones73k.AccountsTest do
   describe "get_user!/1" do
     test "raises if id is invalid" do
       assert_raise Ecto.NoResultsError, fn ->
-        Accounts.get_user!(-1)
+        Ecto.UUID.generate() |> Accounts.get_user!()
       end
     end