Fix test errors

elm-test --fuzz 1000 --seed 156536263253947

src/Internal/Tools/Json.elm

@@ -477,13 +477,14 @@ iddict (Coder old) =
     Coder
         { encoder = Iddict.encode old.encoder
         , decoder =
-            D.andThen
-                (\( out, logs ) ->
-                    D.succeed out
-                        |> Iddict.decoder
-                        |> D.map (\o -> ( o, logs ))
-                )
-                old.decoder
+            Iddict.decoder old.decoder
+                |> D.map
+                    (\out ->
+                        ( Iddict.map (always Tuple.first) out
+                        , Iddict.values out
+                            |> List.concatMap Tuple.second
+                        )
+                    )
         , docs = DocsIddict old.docs
         }
 

tests/Test/Values/Timeline.elm

@@ -6,6 +6,7 @@ import Internal.Filter.Timeline as Filter
 import Internal.Tools.Json as Json
 import Internal.Values.Timeline as Timeline exposing (Batch, Timeline)
 import Json.Decode as D
+import Json.Encode as E
 import Test exposing (..)
 import Test.Filter.Timeline as TestFilter
 
@@ -250,7 +251,8 @@ suite =
                 (\timeline ->
                     timeline
                         |> Json.encode Timeline.coder
-                        |> D.decodeValue (Json.decode Timeline.coder)
+                        |> E.encode 0
+                        |> D.decodeString (Json.decode Timeline.coder)
                         |> Result.map Tuple.first
                         |> Result.map (Timeline.mostRecentEvents Filter.pass)
                         |> Expect.equal (Ok <| Timeline.mostRecentEvents Filter.pass timeline)