Address MR feedback

rs/sns/governance/proto/ic_sns_governance/pb/v1/governance.proto

@@ -2006,8 +2006,11 @@ message ClaimSwapNeuronsRequest {
   message NeuronRecipe {
     // The info that for a participant in the Neurons' Fund
     message NeuronsFund {
+      // The neuron ID of the NNS neuron that participated in the Neurons' Fund.
       optional uint64 nns_neuron_id = 1;
+      // The controller of the NNS neuron that participated in the Neurons' Fund.
       optional ic_base_types.pb.v1.PrincipalId nns_neuron_controller = 2;
+      // The hotkeys of the NNS neuron that participated in the Neurons' Fund.
       optional ic_nervous_system.pb.v1.Principals nns_neuron_hotkeys = 3;
     }
 
@@ -2039,6 +2042,8 @@ message ClaimSwapNeuronsRequest {
     repeated NeuronRecipe neuron_recipes = 1;
   }
 
+  // The set of parameters that define the neurons created in `claim_swap_neurons`. For
+  // each NeuronRecipe, one neuron will be created.
   optional NeuronRecipes neuron_recipes = 2;
 
   // The set of parameters that define the neurons created in `claim_swap_neurons`. For

rs/sns/governance/src/gen/ic_sns_governance.pb.v1.rs

@@ -2518,6 +2518,8 @@ pub struct GetModeResponse {
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct ClaimSwapNeuronsRequest {
+    /// The set of parameters that define the neurons created in `claim_swap_neurons`. For
+    /// each NeuronRecipe, one neuron will be created.
     #[prost(message, optional, tag = "2")]
     pub neuron_recipes: ::core::option::Option<claim_swap_neurons_request::NeuronRecipes>,
     /// The set of parameters that define the neurons created in `claim_swap_neurons`. For
@@ -2607,10 +2609,13 @@ pub mod claim_swap_neurons_request {
         #[allow(clippy::derive_partial_eq_without_eq)]
         #[derive(Clone, PartialEq, ::prost::Message)]
         pub struct NeuronsFund {
+            /// The neuron ID of the NNS neuron that participated in the Neurons' Fund.
             #[prost(uint64, optional, tag = "1")]
             pub nns_neuron_id: ::core::option::Option<u64>,
+            /// The controller of the NNS neuron that participated in the Neurons' Fund.
             #[prost(message, optional, tag = "2")]
             pub nns_neuron_controller: ::core::option::Option<::ic_base_types::PrincipalId>,
+            /// The hotkeys of the NNS neuron that participated in the Neurons' Fund.
             #[prost(message, optional, tag = "3")]
             pub nns_neuron_hotkeys:
                 ::core::option::Option<::ic_nervous_system_proto::pb::v1::Principals>,

rs/sns/governance/src/neuron.rs

@@ -791,6 +791,10 @@ impl NeuronId {
         subaccount[1..1 + id.len()].copy_from_slice(id);
         NeuronId::from(subaccount)
     }
+
+    pub fn test_neuron_ids<const N: usize>() -> [NeuronId; N] {
+        core::array::from_fn(|i| NeuronId::new_test_neuron_id(10 + i as u64))
+    }
 }
 
 impl From<Subaccount> for NeuronId {