Make sure the Supply.encode tests are run

lizmat · lizmat · commit 62de8f998492 · 2020-01-18T00:21:55.000+01:00
diff --git a/spectest.data b/spectest.data
@@ -901,6 +901,7 @@ S17-supply/comb.t
 S17-supply/delayed.t     # slow
 S17-supply/do.t
 S17-supply/elems.t       # slow
+S17-supply/encode.t
 S17-supply/flat.t
 S17-supply/from-list.t
 S17-supply/grab.t
