diff --git a/Makefile.toml b/Makefile.toml
index db4ddc784..ead0f1ca7 100644
--- a/Makefile.toml
+++ b/Makefile.toml
@@ -329,11 +329,8 @@ category = "Test"
 command = "${CARGO}"
 args = [
     "test",
-    "test_silo_connector",
     "--features",
     "${CARGO_FEATURES_TEST}",
-    "--",
-    "--nocapture"
 ]
 
 [tasks.bench-modexp-test]
diff --git a/engine-tests-connector/src/silo.rs b/engine-tests-connector/src/silo.rs
index 7b227ef36..8ed039e08 100644
--- a/engine-tests-connector/src/silo.rs
+++ b/engine-tests-connector/src/silo.rs
@@ -1,4 +1,4 @@
-use crate::utils::eth::{create_eth_acc, set_submit_tx, submit_transaction};
+use crate::utils::eth::{create_eth_acc, prepare_submit_transaction, set_submit_tx};
 use crate::utils::{mock_proof, TestContract};
 
 const ETH: u128 = 10u128.pow(18);
@@ -7,7 +7,7 @@ const ETH: u128 = 10u128.pow(18);
 async fn test_silo_connector() {
     let (addr, sk) = create_eth_acc();
     let contract = TestContract::new_silo_contract().await.unwrap();
-    let res = contract.add_addr_to_white_list(addr.clone()).await.unwrap();
+    let res = contract.add_addr_to_white_list(addr).await.unwrap();
     assert!(res.is_success());
 
     let amount = 5 * ETH;
@@ -19,6 +19,13 @@ async fn test_silo_connector() {
     assert_eq!(res, 5 * ETH);
 
     let (recv, _) = create_eth_acc();
-    let tx = set_submit_tx(0, recv, 30);
-    submit_transaction(contract, &sk, tx).await;
+    let tx_args = set_submit_tx(0, recv, ETH);
+    let tx = prepare_submit_transaction(&sk, tx_args).await;
+    let res = contract.submit(tx).await.unwrap();
+    assert!(res.is_success());
+
+    let res = contract.get_eth_balance(&addr).await.unwrap();
+    assert_eq!(res, 3 * ETH);
+    let res = contract.get_eth_balance(&recv).await.unwrap();
+    assert_eq!(res, ETH);
 }
diff --git a/engine-tests-connector/src/utils.rs b/engine-tests-connector/src/utils.rs
index de33d8f0f..2d5dbc5ef 100644
--- a/engine-tests-connector/src/utils.rs
+++ b/engine-tests-connector/src/utils.rs
@@ -357,6 +357,16 @@ impl TestContract {
             .await?)
     }
 
+    pub async fn submit(&self, tx: Vec<u8>) -> anyhow::Result<ExecutionFinalResult> {
+        Ok(self
+            .engine_contract
+            .call("submit")
+            .args(tx)
+            .gas(DEFAULT_GAS)
+            .transact()
+            .await?)
+    }
+
     pub async fn add_addr_to_white_list(
         &self,
         address: Address,
@@ -554,7 +564,7 @@ pub fn mock_proof(
         sender: Address::new(H160([0u8; 20])),
         token_message_data,
         amount: NEP141Wei::new(deposit_amount),
-        fee: fee.clone(),
+        fee,
     };
 
     let event_schema = ethabi::Event {
@@ -585,7 +595,7 @@ pub fn mock_proof(
 }
 
 pub mod eth {
-    use crate::utils::{Address, TestContract, Wei, DEFAULT_GAS};
+    use crate::utils::{Address, Wei};
     use aurora_engine_transactions::legacy::{LegacyEthSignedTransaction, TransactionLegacy};
     use aurora_engine_types::U256;
     use libsecp256k1::{Message, PublicKey, SecretKey};
@@ -650,23 +660,9 @@ pub mod eth {
         }
     }
 
-    pub async fn submit_transaction(
-        contract: TestContract,
-        sk: &SecretKey,
-        transaction: TransactionLegacy,
-    ) {
+    pub async fn prepare_submit_transaction(sk: &SecretKey, tx_args: TransactionLegacy) -> Vec<u8> {
         let chain_id = 0;
-        let signed_tx = sign_transaction(transaction, sk, Some(chain_id));
-        let tx = rlp::encode(&signed_tx).to_vec();
-
-        let res = contract
-            .engine_contract
-            .call("submit")
-            .args(tx)
-            .gas(DEFAULT_GAS)
-            .transact()
-            .await
-            .unwrap();
-        println!("{res:#?}");
+        let signed_tx = sign_transaction(tx_args, sk, Some(chain_id));
+        rlp::encode(&signed_tx).to_vec()
     }
 }