diff --git a/config/test.exs b/config/test.exs
index dc8c193..3e7e396 100644
--- a/config/test.exs
+++ b/config/test.exs
@@ -10,8 +10,10 @@ config :bcrypt_elixir, :log_rounds, 1
 # Run `mix help test` for more information.
 config :simpleshop_theme, SimpleshopTheme.Repo,
   database: Path.expand("../simpleshop_theme_test.db", __DIR__),
-  pool_size: 5,
-  pool: Ecto.Adapters.SQL.Sandbox
+  pool_size: 1,
+  pool: Ecto.Adapters.SQL.Sandbox,
+  journal_mode: :wal,
+  busy_timeout: 10_000
 
 # We don't run a server during test. If one is required,
 # you can enable the server option below.