diff --git a/Cargo.lock b/Cargo.lock
index 8889bd77..a558f873 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2314,6 +2314,7 @@ dependencies = [
  "async-trait",
  "aws-config",
  "aws-sdk-kms",
+ "eigen-testing-utils",
  "eth-keystore",
  "serde",
  "testcontainers",
diff --git a/crates/signer/Cargo.toml b/crates/signer/Cargo.toml
index 85cb4a5c..9d1fab0a 100644
--- a/crates/signer/Cargo.toml
+++ b/crates/signer/Cargo.toml
@@ -23,5 +23,6 @@ url.workspace = true
 [dev-dependencies]
 alloy-node-bindings.workspace = true
 aws-config.workspace = true
+eigen-testing-utils.workspace = true
 testcontainers.workspace = true
 tokio.workspace = true
diff --git a/crates/signer/src/signer.rs b/crates/signer/src/signer.rs
index 080c385f..2fdd201b 100644
--- a/crates/signer/src/signer.rs
+++ b/crates/signer/src/signer.rs
@@ -78,6 +78,7 @@ mod test {
         config::{Credentials, SharedCredentialsProvider},
         types::KeyMetadata,
     };
+    use eigen_testing_utils::test_data::TestData;
     use std::str::FromStr;
     use testcontainers::{
         core::{IntoContainerPort, WaitFor},
@@ -149,7 +150,7 @@ mod test {
     }
 
     #[tokio::test]
-    async fn sign_transaction_with_aws_signer() {
+    async fn test_sign_transaction_with_kms_signer() {
         // Start the container running Localstack
         let _container = start_localstack_container().await;
 
@@ -162,6 +163,17 @@ mod test {
         )
         .await;
 
+        let default_tx = TxLegacy {
+            to: address!("d8dA6BF26964aF9D7eEd9e03E53415D37aA96045").into(),
+            value: U256::from(1_000_000_000),
+            gas_limit: 2_000_000,
+            nonce: 0,
+            gas_price: 21_000_000_000,
+            input: bytes!(),
+            chain_id: Some(1),
+        };
+        let mut test_data: TestData<TxLegacy> = TestData::new(default_tx);
+
         // Create an AWS KMS Client
         let client = aws_sdk_kms::Client::new(&config);
 
@@ -175,22 +187,12 @@ mod test {
             .await
             .unwrap();
 
-        let mut tx = TxLegacy {
-            to: address!("d8dA6BF26964aF9D7eEd9e03E53415D37aA96045").into(),
-            value: U256::from(1_000_000_000),
-            gas_limit: 2_000_000,
-            nonce: 0,
-            gas_price: 21_000_000_000,
-            input: bytes!(),
-            chain_id: Some(1),
-        };
-
         // Sign the transaction
-        let signature = signer.sign_transaction(&mut tx).await.unwrap();
+        let signature = signer.sign_transaction(&mut test_data.input).await.unwrap();
 
         // Recover the address
         let mut encoded_tx = Vec::new();
-        tx.encode_for_signing(&mut encoded_tx);
+        test_data.input.encode_for_signing(&mut encoded_tx);
         let prehash = keccak256(encoded_tx);
         let recovered_address = signature.recover_address_from_prehash(&prehash).unwrap();
 
@@ -199,7 +201,7 @@ mod test {
     }
 
     #[tokio::test]
-    async fn sign_legacy_transaction_with_web3_signer() {
+    async fn test_sign_legacy_transaction_with_web3_signer() {
         let anvil = Anvil::default().spawn();
 
         let endpoint = anvil.endpoint();