diff --git a/litellm-rust/crates/inference-messages/tests/messages/request.rs b/litellm-rust/crates/inference-messages/tests/messages/request.rs
index df914fe27e1..93bbbb071ba 100644
--- a/litellm-rust/crates/inference-messages/tests/messages/request.rs
+++ b/litellm-rust/crates/inference-messages/tests/messages/request.rs
@@ -385,7 +385,7 @@ async fn safeguards_add_the_dangerous_tool_use_beta_only_where_the_beta_map_has_
 #[tokio::test]
 async fn null_safeguards_are_dropped_instead_of_sent_without_their_beta(
     call: MessagesCall,
-    #[values("anthropic", "azure_ai", "deepseek", "minimax")] provider: &str,
+    #[values("anthropic", "azure_ai", "bedrock_mantle", "deepseek", "minimax")] provider: &str,
 ) {
     let upstream = upstream([message_response()]).await;
 
diff --git a/tests/integration/providers/_anthropic_safeguards_beta_support.py b/tests/integration/providers/_anthropic_safeguards_beta_support.py
index 4211a80240a..0307ea11724 100644
--- a/tests/integration/providers/_anthropic_safeguards_beta_support.py
+++ b/tests/integration/providers/_anthropic_safeguards_beta_support.py
@@ -44,7 +44,7 @@ DEEPSEEK_TARGET: Final = "/anthropic/v1/messages"
 SCRIPTED_TARGETS: Final = frozenset({ANTHROPIC_TARGET, DEEPSEEK_TARGET, VERTEX_TARGET, VERTEX_STREAM_TARGET})
 REPLY_TEXT: Final = "safeguards beta control"
 EXTRA_INPUTS_MESSAGE: Final = "safeguards: Extra inputs are not permitted"
-NOT_A_LIST_MESSAGE: Final = "safeguards: Input should be a valid list"
+NOT_A_LIST_MESSAGE: Final = "safeguards: Input should be a valid array"
 OVERLOADED_MESSAGE: Final = "Overloaded"
 SAFEGUARDS: Final[tuple[JsonValue, ...]] = (
     {