diff --git a/noir-projects/aztec-nr/aztec/src/history/note/test.nr b/noir-projects/aztec-nr/aztec/src/history/note/test.nr
index 783959e9f8f5..b41f31f7490e 100644
--- a/noir-projects/aztec-nr/aztec/src/history/note/test.nr
+++ b/noir-projects/aztec-nr/aztec/src/history/note/test.nr
@@ -42,7 +42,7 @@ unconstrained fn succeeds_on_blocks_after_creation_and_before_nullification() {
     });
 }
 
-#[test(should_fail_with = "Proving nullifier non-inclusion failed")]
+#[test(should_fail_with = "Cannot prove nullifier non-inclusion")]
 unconstrained fn fails_on_blocks_after_note_nullification() {
     let (env, hinted_note) = test::create_note_and_nullify_it();
 
diff --git a/noir-projects/aztec-nr/aztec/src/history/nullifier/test.nr b/noir-projects/aztec-nr/aztec/src/history/nullifier/test.nr
index 8b754f67759d..a83e216854b3 100644
--- a/noir-projects/aztec-nr/aztec/src/history/nullifier/test.nr
+++ b/noir-projects/aztec-nr/aztec/src/history/nullifier/test.nr
@@ -79,7 +79,7 @@ unconstrained fn note_not_nullified_succeeds_in_blocks_before_note_nullification
     );
 }
 
-#[test(should_fail_with = "Proving nullifier non-inclusion failed")]
+#[test(should_fail_with = "Cannot prove nullifier non-inclusion")]
 unconstrained fn note_not_nullified_fails_in_blocks_after_note_nullification_fails() {
     let (env, hinted_note) = test::create_note_and_nullify_it();
 
@@ -100,7 +100,7 @@ unconstrained fn nullifier_non_inclusion_succeeds_in_blocks_before_nullifier_cre
     });
 }
 
-#[test(should_fail_with = "Proving nullifier non-inclusion failed")]
+#[test(should_fail_with = "Cannot prove nullifier non-inclusion")]
 unconstrained fn nullifier_non_inclusion_fails_in_blocks_after_nullifier_creation() {
     let env = TestEnvironment::new();
 
diff --git a/noir-projects/noir-contracts/contracts/test/test_contract/src/test/deployment_proofs.nr b/noir-projects/noir-contracts/contracts/test/test_contract/src/test/deployment_proofs.nr
index 03adb43fcb81..c285062e440a 100644
--- a/noir-projects/noir-contracts/contracts/test/test_contract/src/test/deployment_proofs.nr
+++ b/noir-projects/noir-contracts/contracts/test/test_contract/src/test/deployment_proofs.nr
@@ -103,7 +103,7 @@ unconstrained fn assert_contract_was_initialized_by_before_initialization_fails(
     );
 }
 
-#[test(should_fail_with = "Proving nullifier non-inclusion failed")]
+#[test(should_fail_with = "Cannot prove nullifier non-inclusion")]
 unconstrained fn assert_contract_bytecode_was_not_published_by_of_deployed_fails() {
     let (env, contract_address, _owner) = setup();
 
@@ -119,7 +119,7 @@ unconstrained fn assert_contract_bytecode_was_not_published_by_of_deployed_fails
     );
 }
 
-#[test(should_fail_with = "Proving nullifier non-inclusion failed")]
+#[test(should_fail_with = "Cannot prove nullifier non-inclusion")]
 unconstrained fn assert_contract_was_not_initialized_by_of_initialized_fails() {
     let (env, contract_address, _owner) = setup();
 
diff --git a/noir-projects/noir-protocol-circuits/crates/types/src/delayed_public_mutable/delayed_public_mutable_values/test.nr b/noir-projects/noir-protocol-circuits/crates/types/src/delayed_public_mutable/delayed_public_mutable_values/test.nr
index acfb537c9869..c4d409d11f0b 100644
--- a/noir-projects/noir-protocol-circuits/crates/types/src/delayed_public_mutable/delayed_public_mutable_values/test.nr
+++ b/noir-projects/noir-protocol-circuits/crates/types/src/delayed_public_mutable/delayed_public_mutable_values/test.nr
@@ -74,7 +74,7 @@ unconstrained fn packed_delayed_public_mutable_values_match_typescript() {
     let pre_value = MockStruct { a: 1, b: 2 };
     let post_value = MockStruct { a: 3, b: 4 };
 
-    let sdc = ScheduledDelayChange::<0u64>::new(Option::some(1), Option::some(50), 2);
+    let sdc = ScheduledDelayChange::<0_u64>::new(Option::some(1), Option::some(50), 2);
     let svc = ScheduledValueChange::new(pre_value, post_value, 50);
     let dpmv = DelayedPublicMutableValues::new(svc, sdc);