tests: federator: fix formatting

test/web/federator_test.exs

@@ -73,7 +73,7 @@ test "successfully processes incoming AP docs with correct origin" do
           "type" => "Note",
           "content" => "hi world!",
           "id" => "http://mastodon.example.org/users/admin/objects/1",
-          "attributedTo" => "http://mastodon.example.org/users/admin",
+          "attributedTo" => "http://mastodon.example.org/users/admin"
         },
         "to" => ["https://www.w3.org/ns/activitystreams#Public"]
       }
@@ -91,7 +91,7 @@ test "rejects incoming AP docs with incorrect origin" do
           "type" => "Note",
           "content" => "hi world!",
           "id" => "http://mastodon.example.org/users/admin/objects/1",
-          "attributedTo" => "http://mastodon.example.org/users/admin",
+          "attributedTo" => "http://mastodon.example.org/users/admin"
         },
         "to" => ["https://www.w3.org/ns/activitystreams#Public"]
       }