diff --git a/test/optimism/connext/connext.test.ts b/test/optimism/connext/connext.test.ts
index ff856943..a846d1dc 100644
--- a/test/optimism/connext/connext.test.ts
+++ b/test/optimism/connext/connext.test.ts
@@ -97,6 +97,7 @@ describe("Connext Connector [Optimism]", () => {
       const slippage = 10000;
       const relayerFee = ethers.utils.parseEther("1");
       const callData = "0x";
+      const nativeRelayerFee = true;
 
       const xcallParams: any = [
         domainId,
@@ -106,7 +107,8 @@ describe("Connext Connector [Optimism]", () => {
         amount,
         slippage,
         relayerFee,
-        callData
+        callData,
+        nativeRelayerFee
       ];
 
       const spells = [
@@ -127,6 +129,7 @@ describe("Connext Connector [Optimism]", () => {
       const slippage = 10000;
       const relayerFee = ethers.utils.parseEther("1");
       const callData = "0x";
+      const nativeRelayerFee = true;
 
       const xcallParams: any = [
         domainId,
@@ -136,7 +139,40 @@ describe("Connext Connector [Optimism]", () => {
         amount,
         slippage,
         relayerFee,
-        callData
+        callData,
+        nativeRelayerFee
+      ];
+
+      const spells = [
+        {
+          connector: connectorName,
+          method: "xcall",
+          args: [xcallParams, 0, 0]
+        }
+      ];
+
+      const tx = await dsaWallet0.connect(wallet0).cast(...encodeSpells(spells), wallet1.address);
+      const receipt = await tx.wait();
+    });
+
+    it("should xcall with usdc, relayerfee using transacting asset", async () => {
+      const amount = ethers.utils.parseUnits("5", 6);
+      const domainId = 6648936;
+      const slippage = 10000;
+      const relayerFee = ethers.utils.parseEther("1");
+      const callData = "0x";
+      const nativeRelayerFee = false;
+
+      const xcallParams: any = [
+        domainId,
+        wallet1.address,
+        usdcAddr,
+        wallet1.address,
+        amount,
+        slippage,
+        relayerFee,
+        callData,
+        nativeRelayerFee
       ];
 
       const spells = [