Update the test configuration to allow run server during tests.

config/test.exs

@@ -20,7 +20,7 @@ config :decentralised_book_index, DecentralisedBookIndex.Repo,
 config :decentralised_book_index, DecentralisedBookIndexWeb.Endpoint,
   http: [ip: {127, 0, 0, 1}, port: 4002],
   secret_key_base: "6NMai4xOf+JhqltU9Ecf+U+DcyMSKs7SYtUc1Kf06H8UrG+MmJu3nXHS4CosOOdN",
-  server: false
+  server: true
 
 # In test we don't send emails
 config :decentralised_book_index, DecentralisedBookIndex.Mailer, adapter: Swoosh.Adapters.Test

test/support/test_endpoints.ex

@@ -0,0 +1,12 @@
+defmodule DecentralisedBookIndex.TestEndpoints do
+  @moduledoc "Test API endpoint for tests"
+
+  @test_api_endpoint "http://localhost:4002"
+
+  @doc """
+  Returns the url of test API endpoint.
+  """
+  def test_api_endpoint(_opts \\ []) do
+    @test_api_endpoint
+  end
+end