diff --git a/contracts/scripts/e2e/utils.ts b/contracts/scripts/e2e/utils.ts
index bb2cf1d76..42aaac8f2 100644
--- a/contracts/scripts/e2e/utils.ts
+++ b/contracts/scripts/e2e/utils.ts
@@ -2,12 +2,12 @@ import * as addresses from "./addresses";
 import { Wallet, BigNumber, Contract } from "ethers";
 import { ethers } from "hardhat";
 
-const l2Provider = new ethers.providers.JsonRpcProvider(
-  "http://localhost:4011",
+const l1Provider = new ethers.providers.JsonRpcProvider(
+  process.env.L2_RPC_URL || "http://localhost:8545",
 );
 
-const l1Provider = new ethers.providers.JsonRpcProvider(
-  "http://localhost:8545",
+const l2Provider = new ethers.providers.JsonRpcProvider(
+  process.env.L1_RPC_URL || "http://localhost:4011",
 );
 
 const l1BridgeAddress = process.env.L1STANDARD_BRIDGE_ADDR || "invalid address";
@@ -15,20 +15,24 @@ const rollupAddress = process.env.ROLLUP_ADDR || "invalid address";
 
 export async function getSignersAndContracts() {
   const l1Bridger = new ethers.Wallet(
-    "0x7c852118294e51e653712a81e05800f419141751be58f605c371e15141b007a6",
+    process.env.BRIDGER_PRIVATE_KEY ||
+      "0x7c852118294e51e653712a81e05800f419141751be58f605c371e15141b007a6",
     l1Provider,
   );
   const l2Bridger = new ethers.Wallet(
-    "0x7c852118294e51e653712a81e05800f419141751be58f605c371e15141b007a6",
+    process.env.BRIDGER_PRIVATE_KEY ||
+      "0x7c852118294e51e653712a81e05800f419141751be58f605c371e15141b007a6",
     l2Provider,
   );
 
   const l1Relayer = new ethers.Wallet(
-    "0x5de4111afa1a4b94908f83103eb1f1706367c2e68ca870fc3fb9a804cdab365a",
+    process.env.BRIDGER_PRIVATE_KEY ||
+      "0x5de4111afa1a4b94908f83103eb1f1706367c2e68ca870fc3fb9a804cdab365a",
     l1Provider,
   );
   const l2Relayer = new ethers.Wallet(
-    "0x5de4111afa1a4b94908f83103eb1f1706367c2e68ca870fc3fb9a804cdab365a",
+    process.env.BRIDGER_PRIVATE_KEY ||
+      "0x5de4111afa1a4b94908f83103eb1f1706367c2e68ca870fc3fb9a804cdab365a",
     l2Provider,
   );
 
diff --git a/sbin/run_e2e_tests.sh b/sbin/run_e2e_tests.sh
index c7f4f1f2c..39e1e09ad 100755
--- a/sbin/run_e2e_tests.sh
+++ b/sbin/run_e2e_tests.sh
@@ -102,6 +102,10 @@ erc20)
   npx hardhat run scripts/e2e/bridge/test_standard_bridge_erc20.ts
   RESULT=$?
   ;;
+idle)
+  while true; do sleep 86400; done
+  RESULT=$?
+  ;;
 *)
   echo "unknown test"
   RESULT=1