# Programming Phoenix 1.4: Slow tests

**URL:** <https://forum.devtalk.com/t/programming-phoenix-1-4-slow-tests/64343>\
**Category:** PragProg Customers\
**Tags:** book-programming-phoenix-1-4, suggestion\
**Created:** [15 July 2022 21:01 UTC](https://forum.devtalk.com/t/programming-phoenix-1-4-slow-tests/64343 "2022-07-15T21:01:03Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![pawlik](https://forum.devtalk.com/user_avatar/forum.devtalk.com/pawlik/32/4351_2.png) [@pawlik](https://forum.devtalk.com/u/pawlik)\
**Post date:** [15 July 2022 21:01 UTC](https://forum.devtalk.com/t/programming-phoenix-1-4-slow-tests/64343/1 "2022-07-15T21:01:03Z")

</div>

@redrapids

Title: Programming Phoenix 1.4 (chapter V: Testing MVC)

The book’s output shows time for tests 0.1s, but mine was showing 15s for 11 tests. This sent me down a rabbit hole.

Some kind of suggestions to add:

```auto
config :pbkdf2_elixir, rounds: 1

```

in config/test.exs could be helpful.