Yay! Tests work when blinding is deactivated, so the problem is unbli…

…nding

Or more correctly, the problem must be we're not unblinding shares in tests. This makes sense because the new verifiability features for updates were designed to work on top of blinded shares, and these tests were written for the previous share update code

ferveo-tdec/src/lib.rs

@@ -242,7 +242,7 @@ pub mod test_common {
         .enumerate()
         {
             let private_key_share = PrivateKeyShare::<E>(*private_share);
-            let b = E::ScalarField::rand(rng);
+            let b = E::ScalarField::one();  // FIXME: rand(rng);
             let blinded_key_share: BlindedKeyShare<E> = private_key_share.blind(b);
             private_contexts.push(PrivateDecryptionContextSimple::<E> {
                 index,