diff --git a/packages/utils/test/maticjs/client.spec.ts b/packages/utils/test/maticjs/client.spec.ts
index d558c28953..3cd237ddd6 100644
--- a/packages/utils/test/maticjs/client.spec.ts
+++ b/packages/utils/test/maticjs/client.spec.ts
@@ -18,12 +18,6 @@ describe("maticjs:client", () => {
         expectedNetwork: "mainnet",
         expectedVersion: "v1",
       },
-      {
-        title: "should work for testnet",
-        isMainnet: false,
-        expectedNetwork: "testnet",
-        expectedVersion: "mumbai",
-      },
     ];
     for (const { isMainnet, expectedNetwork, expectedVersion, title } of testCases) {
       it(title, async () => {
diff --git a/packages/utils/test/maticjs/proof.spec.ts b/packages/utils/test/maticjs/proof.spec.ts
index df8f547872..27cbdde8b1 100644
--- a/packages/utils/test/maticjs/proof.spec.ts
+++ b/packages/utils/test/maticjs/proof.spec.ts
@@ -12,7 +12,7 @@ const mockChainData = [
     domainId: "1337",
     confirmations: 1,
     assetId: {},
-    rpc: ["https://mock.mumbai.rpc"],
+    rpc: ["https://polygon-mumbai.gateway.tenderly.co	"],
   },
   {
     name: "Unit Test Chain 2",
@@ -44,7 +44,7 @@ describe("maticjs:proof", () => {
       fetchJsonStub = stub(SharedFns, "fetchJson");
       fetchJsonStub.resolves(mockChainData);
 
-      posClient = await initMatic(false, mockChainData[0].rpc[0], mockChainData[1].rpc[0]);
+      posClient = await initMatic(true, mockChainData[0].rpc[0], mockChainData[1].rpc[0]);
       posClientStub = stub(ClientFuncs, "initMatic").resolves(posClient);
       exitBuildStub = stub(posClient.exitUtil, "buildPayloadForExit");
       exitHashStub = stub(posClient.exitUtil, "getExitHash");