message: Fixup alphas test compilation
diff: @@ -323,7 +323,8 @@ mod tests {
  fn get_alphas_for_spec() {
  let gates = vec![CircuitGate::<Fp>::zero(Wire::for_row(0)); 2];
  let index = new_index_for_test(gates, 0);
  - let (_linearization, powers_of_alpha) = expr_linearization(&index.cs.feature_flags, true);
  + let (_linearization, powers_of_alpha) =
  + expr_linearization(Some(&index.cs.feature_flags), true);
  // make sure this is present in the specification
  let manifest_dir = std::env::var("CARGO_MANIFEST_DIR").unwrap();
  let spec_path = Path::new(&manifest_dir)
  