diff --git a/Cargo.toml b/Cargo.toml
index e0a37576..c2d12c0f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,6 +22,7 @@ rand_core = { version = "0.6", default-features = false }
 rand_chacha = "0.3"
 subtle = "2.5"
 pasta_curves = { version = "0.5", features = ["repr-c", "serde"] }
+halo2curves = { version = "0.6.0", features = ["bits", "derive_serde"] }
 neptune = { version = "13.0.0", default-features = false }
 generic-array = "0.14"
 num-bigint = { version = "0.4", features = ["serde", "rand"] }
@@ -39,13 +40,9 @@ itertools = "0.12.0"
 [target.'cfg(any(target_arch = "x86_64", target_arch = "aarch64"))'.dependencies]
 pasta-msm = { version = "0.1.4" }
 
-[target.'cfg(not(target_arch = "wasm32"))'.dependencies]
-halo2curves = { version = "0.5.0", features = ["bits", "derive_serde"] }
-
 [target.'cfg(target_arch = "wasm32")'.dependencies]
 # see https://github.com/rust-random/rand/pull/948
 getrandom = { version = "0.2.0", default-features = false, features = ["js"] }
-halo2curves = { version = "0.5.0", default-features = false, features = ["bits", "derive_serde"] }
 
 [dev-dependencies]
 criterion = { version = "0.4", features = ["html_reports"] }
@@ -56,6 +53,7 @@ cfg-if = "1.0.0"
 sha2 = "0.10.7"
 proptest = "1.2.0"
 rand = "0.8.5"
+expect-test = "1.4.1"
 
 [[bench]]
 name = "recursive-snark"
diff --git a/benches/compressed-snark.rs b/benches/compressed-snark.rs
index 53d007f0..7d7482bc 100644
--- a/benches/compressed-snark.rs
+++ b/benches/compressed-snark.rs
@@ -51,7 +51,7 @@ cfg_if::cfg_if! {
 criterion_main!(compressed_snark);
 
 // This should match the value for the primary in test_recursive_circuit_pasta
-const NUM_CONS_VERIFIER_CIRCUIT_PRIMARY: usize = 9825;
+const NUM_CONS_VERIFIER_CIRCUIT_PRIMARY: usize = 9817;
 const NUM_SAMPLES: usize = 10;
 
 /// Benchmarks the compressed SNARK at a provided number of constraints
diff --git a/benches/recursive-snark.rs b/benches/recursive-snark.rs
index c49a12fa..5b16faa1 100644
--- a/benches/recursive-snark.rs
+++ b/benches/recursive-snark.rs
@@ -43,7 +43,7 @@ cfg_if::cfg_if! {
 criterion_main!(recursive_snark);
 
 // This should match the value for the primary in test_recursive_circuit_pasta
-const NUM_CONS_VERIFIER_CIRCUIT_PRIMARY: usize = 9825;
+const NUM_CONS_VERIFIER_CIRCUIT_PRIMARY: usize = 9817;
 const NUM_SAMPLES: usize = 10;
 
 fn bench_recursive_snark(c: &mut Criterion) {
diff --git a/src/lib.rs b/src/lib.rs
index 1bd590cd..0110ffdb 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -849,12 +849,12 @@ mod tests {
       mlkzg::Bn256EngineKZG, pedersen::CommitmentKeyExtTrait, traits::DlogGroup, Bn256Engine,
       GrumpkinEngine, PallasEngine, Secp256k1Engine, Secq256k1Engine, VestaEngine,
     },
-    traits::{evaluation::EvaluationEngineTrait, snark::default_ck_hint},
+    traits::{circuit::TrivialCircuit, evaluation::EvaluationEngineTrait, snark::default_ck_hint},
   };
   use ::bellpepper_core::{num::AllocatedNum, ConstraintSystem, SynthesisError};
   use core::{fmt::Write, marker::PhantomData};
+  use expect_test::{expect, Expect};
   use ff::PrimeField;
-  use traits::circuit::TrivialCircuit;
 
   type EE<E> = provider::ipa_pc::EvaluationEngine<E>;
   type S<E, EE> = spartan::snark::RelaxedR1CSSNARK<E, EE>;
@@ -908,7 +908,7 @@ mod tests {
     }
   }
 
-  fn test_pp_digest_with<E1, E2, T1, T2>(circuit1: &T1, circuit2: &T2, expected: &str)
+  fn test_pp_digest_with<E1, E2, T1, T2>(circuit1: &T1, circuit2: &T2, expected: &Expect)
   where
     E1: Engine<Base = <E2 as Engine>::Scalar>,
     E2: Engine<Base = <E1 as Engine>::Scalar>,
@@ -934,7 +934,7 @@ mod tests {
         let _ = write!(output, "{b:02x}");
         output
       });
-    assert_eq!(digest_str, expected);
+    expected.assert_eq(&digest_str);
   }
 
   #[test]
@@ -946,13 +946,13 @@ mod tests {
     test_pp_digest_with::<PallasEngine, VestaEngine, _, _>(
       &trivial_circuit1,
       &trivial_circuit2,
-      "9bc7ad2ab3f2a12455fdd21527598e365a14619c7f1e09f5cc3c78caa2fdd602",
+      &expect!["9bc7ad2ab3f2a12455fdd21527598e365a14619c7f1e09f5cc3c78caa2fdd602"],
     );
 
     test_pp_digest_with::<PallasEngine, VestaEngine, _, _>(
       &cubic_circuit1,
       &trivial_circuit2,
-      "8dea023ed642fd2d1a7bedb536cd96d22c0d25ea40961a4fe4a865169bf6ee01",
+      &expect!["8dea023ed642fd2d1a7bedb536cd96d22c0d25ea40961a4fe4a865169bf6ee01"],
     );
 
     let trivial_circuit1_grumpkin = TrivialCircuit::<<Bn256Engine as Engine>::Scalar>::default();
@@ -962,13 +962,13 @@ mod tests {
     test_pp_digest_with::<Bn256Engine, GrumpkinEngine, _, _>(
       &trivial_circuit1_grumpkin,
       &trivial_circuit2_grumpkin,
-      "89e746ed5055445a4aceb2b6fb0413fe0bf4d2efec387dee85613922a972a701",
+      &expect!["89e746ed5055445a4aceb2b6fb0413fe0bf4d2efec387dee85613922a972a701"],
     );
 
     test_pp_digest_with::<Bn256Engine, GrumpkinEngine, _, _>(
       &cubic_circuit1_grumpkin,
       &trivial_circuit2_grumpkin,
-      "941f55146ac21a3b4ff9863546bea95df48cb0069d2fa9e8249f8d0a00560401",
+      &expect!["941f55146ac21a3b4ff9863546bea95df48cb0069d2fa9e8249f8d0a00560401"],
     );
 
     let trivial_circuit1_secp = TrivialCircuit::<<Secp256k1Engine as Engine>::Scalar>::default();
@@ -978,12 +978,12 @@ mod tests {
     test_pp_digest_with::<Secp256k1Engine, Secq256k1Engine, _, _>(
       &trivial_circuit1_secp,
       &trivial_circuit2_secp,
-      "4320b4f18ac17958f77db04e78c2d9d6064810f44441e0681f44e977d0fddf03",
+      &expect!["c70782c49d3de831b3822081655cf61c7d53533f0effcd5c4166cd4fbe651e00"],
     );
     test_pp_digest_with::<Secp256k1Engine, Secq256k1Engine, _, _>(
       &cubic_circuit1_secp,
       &trivial_circuit2_secp,
-      "ac86337a156c328c400a6c38ce4f65dc29dcca7317b1f5da45599e4031d1a302",
+      &expect!["148c5994c443174b67699cb6169aa4489babebb360ae5145bb4b09d77a3a9a01"],
     );
   }