Update resources and generator to accept dbi_server_id.

test/support/generators.ex

@@ -35,13 +35,16 @@ defmodule DecentralisedBookIndex.Generators do
           generate(user(role: :moderator))
         end)
 
+    dbi_server_id = opts[:dbi_server_id] || nil
+
     changeset_generator(
       Metadata.Author,
       :create,
       defaults: [
         name: sequence(:name, &"Author #{&1}"),
         description: sequence(:name, &"Description #{&1}"),
-        author_alias_registry_id: nil
+        author_alias_registry_id: nil,
+        dbi_server_id: dbi_server_id
       ],
       overrides: opts,
       actor: actor
@@ -83,16 +86,17 @@ defmodule DecentralisedBookIndex.Generators do
 
     url =
       opts[:url] ||
-        once(:default_actor, fn ->
-          "http://localhost:4002"
-        end)
+        "http://localhost:4002"
+
+    dbi_server_id = opts[:dbi_server_id] || nil
 
     changeset_generator(
       Metadata.DBIServer,
       :create,
       defaults: [
         name: sequence(:name, &"Server #{&1}"),
-        url: url
+        url: url,
+        dbi_server_id: dbi_server_id
       ],
       overrides: opts,
       actor: actor
@@ -136,11 +140,14 @@ defmodule DecentralisedBookIndex.Generators do
           generate(user(role: :moderator))
         end)
 
+    dbi_server_id = opts[:dbi_server_id] || nil
+
     changeset_generator(
       Metadata.Publisher,
       :create,
       defaults: [
-        name: sequence(:name, &"Publisher #{&1}")
+        name: sequence(:name, &"Publisher #{&1}"),
+        dbi_server_id: dbi_server_id
       ],
       overrides: opts,
       actor: actor