Update the test for the home page.

test/decentralised_book_index_web/controllers/page_controller_test.exs

@@ -3,6 +3,6 @@ defmodule DecentralisedBookIndexWeb.PageControllerTest do
 
   test "GET /", %{conn: conn} do
     conn = get(conn, ~p"/")
-    assert html_response(conn, 200) =~ "Peace of mind from prototype to production"
+    assert html_response(conn, 200) =~ "Listing Books"
   end
 end