fix valid prev kernel test

Author: ledwards2225

noir-projects/noir-protocol-circuits/crates/protocol-test-utils/src/fixtures/vk_tree.nr

@@ -2,8 +2,10 @@ use crate::utils::pad_end;
 use types::{
     constants::{
         HIDING_KERNEL_TO_PUBLIC_VK_INDEX, MEGA_VK_LENGTH_IN_FIELDS, PARITY_BASE_VK_INDEX,
-        PARITY_ROOT_VK_INDEX, PRIVATE_KERNEL_RESET_VK_INDEX, ROOT_ROLLUP_VK_INDEX,
-        ULTRA_VK_LENGTH_IN_FIELDS, VK_TREE_HEIGHT,
+        PARITY_ROOT_VK_INDEX, PRIVATE_KERNEL_INIT_2_VK_INDEX, PRIVATE_KERNEL_INIT_3_VK_INDEX,
+        PRIVATE_KERNEL_INNER_2_VK_INDEX, PRIVATE_KERNEL_INNER_3_VK_INDEX,
+        PRIVATE_KERNEL_RESET_VK_INDEX, ROOT_ROLLUP_VK_INDEX, ULTRA_VK_LENGTH_IN_FIELDS,
+        VK_TREE_HEIGHT,
     },
     merkle_tree::merkle_tree::MerkleTree,
     proof::{verification_key::VerificationKey, vk_data::VkData},
@@ -45,6 +47,15 @@ pub global VK_MERKLE_TREE: MerkleTree<VK_TREE_WIDTH> = {
     for i in PRIVATE_KERNEL_RESET_VK_INDEX..PRIVATE_KERNEL_RESET_VK_INDEX + 4 {
         leaves[i] = generate_fake_chonk_vk_for_index(i).hash;
     }
+    // Multi-app init / inner variants live at indices >= PRIVATE_KERNEL_INIT_3_VK_INDEX.
+    leaves[PRIVATE_KERNEL_INIT_3_VK_INDEX] =
+        generate_fake_chonk_vk_for_index(PRIVATE_KERNEL_INIT_3_VK_INDEX).hash;
+    leaves[PRIVATE_KERNEL_INIT_2_VK_INDEX] =
+        generate_fake_chonk_vk_for_index(PRIVATE_KERNEL_INIT_2_VK_INDEX).hash;
+    leaves[PRIVATE_KERNEL_INNER_2_VK_INDEX] =
+        generate_fake_chonk_vk_for_index(PRIVATE_KERNEL_INNER_2_VK_INDEX).hash;
+    leaves[PRIVATE_KERNEL_INNER_3_VK_INDEX] =
+        generate_fake_chonk_vk_for_index(PRIVATE_KERNEL_INNER_3_VK_INDEX).hash;
 
     // Rollup Honk
     for i in HIDING_KERNEL_TO_PUBLIC_VK_INDEX + 1..PRIVATE_KERNEL_RESET_VK_INDEX {