diff --git a/src/handlers/generate-erc20-permit.ts b/src/handlers/generate-erc20-permit.ts
index cdfbd19..ddc1032 100644
--- a/src/handlers/generate-erc20-permit.ts
+++ b/src/handlers/generate-erc20-permit.ts
@@ -83,7 +83,7 @@ export async function generateErc20PermitSignature(contextOrPayload: Context | P
     adminWallet = new ethers.Wallet(privateKey, provider);
   } catch (error) {
     const errorMessage = `Failed to instantiate wallet: ${error}`;
-    _logger.debug(errorMessage);
+    _logger.error(errorMessage);
     throw new Error(errorMessage);
   }
 
@@ -93,7 +93,7 @@ export async function generateErc20PermitSignature(contextOrPayload: Context | P
     tokenDecimals = await tokenContract.decimals();
   } catch (error) {
     const errorMessage = `Failed to get token decimals for token: ${tokenAddress}`;
-    _logger.debug(errorMessage);
+    _logger.error(errorMessage);
     throw new Error(errorMessage);
   }
 
diff --git a/tests/generate-erc20-permit.test.ts b/tests/generate-erc20-permit.test.ts
index 551f923..d2df238 100644
--- a/tests/generate-erc20-permit.test.ts
+++ b/tests/generate-erc20-permit.test.ts
@@ -2,6 +2,10 @@ import { describe, expect, it, beforeEach, jest } from "@jest/globals";
 import { generateErc20PermitSignature } from "../src";
 import { Context } from "../src/types/context";
 import { SPENDER, mockContext, ERC20_REWARD_TOKEN_ADDRESS } from "./constants";
+import { ethers } from "ethers";
+jest.mock("../src/utils/get-fastest-provider", () => ({
+  getFastestProvider: jest.fn(() => new ethers.JsonRpcProvider("https://gnosis.drpc.org")),
+}));
 
 describe("generateErc20PermitSignature", () => {
   let context: Context;
diff --git a/tests/generate-erc721-permit.test.ts b/tests/generate-erc721-permit.test.ts
index ce0011d..786cd46 100644
--- a/tests/generate-erc721-permit.test.ts
+++ b/tests/generate-erc721-permit.test.ts
@@ -1,79 +1,25 @@
 import { MaxUint256 } from "@uniswap/permit2-sdk";
-import { BaseWallet, keccak256, toUtf8Bytes, TypedDataDomain, TypedDataField } from "ethers";
+import { BaseWallet, ethers, keccak256, toUtf8Bytes, TypedDataDomain, TypedDataField } from "ethers";
 import { generateErc721PermitSignature } from "../src";
 import { Context } from "../src/types/context";
 import { Env } from "../src/types/env";
 import { cypherText, mockContext, NFT_CONTRACT_ADDRESS, SPENDER } from "./constants";
 import { describe, expect, it, beforeEach, afterEach, jest } from "@jest/globals";
 
+jest.mock("../src/utils/get-fastest-provider", () => ({
+  getFastestProvider: jest.fn(() => new ethers.JsonRpcProvider("https://gnosis.drpc.org")),
+}));
+
 describe("generateErc721PermitSignature", () => {
   let context: Context;
   const userId = 123;
 
-  // cSpell: disable
-
   jest.autoMockOn();
 
   beforeEach(() => {
-    process.env.X25519_PRIVATE_KEY = "bHH4PDnwb2bsG9nmIu1KeIIX71twQHS-23wCPfKONls";
-    process.env.NFT_CONTRACT_ADDRESS = NFT_CONTRACT_ADDRESS;
-    process.env.NFT_MINTER_PRIVATE_KEY = "0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80";
-
-    context = {
-      ...mockContext,
-      config: {
-        evmNetworkId: 100,
-        evmPrivateEncrypted: cypherText,
-        isNftRewardEnabled: true,
-        nftMinterPrivateKey: process.env.NFT_MINTER_PRIVATE_KEY,
-        nftContractAddress: NFT_CONTRACT_ADDRESS,
-
-        // possible inputs from workflow_dispatch
-        token: NFT_CONTRACT_ADDRESS,
-        amount: 100,
-        spender: SPENDER,
-        userId: 123,
-
-        // nft specific inputs
-        contribution_type: "contribution",
-        issueID: 123,
-      },
-      octokit: {
-        request() {
-          return { data: { id: 1, login: "123" } };
-        },
-        users: {
-          getByUsername: jest.fn().mockReturnValue({ data: { id: userId } }),
-        },
-      },
-    } as unknown as Context;
-    context.env = process.env as Env;
-    context.eventName = "issues.closed";
-    jest.mock("@supabase/supabase-js", () => {
-      return {
-        createClient: jest.fn().mockReturnValue({
-          from: jest.fn().mockReturnValue({
-            select: jest.fn().mockReturnValue({
-              eq: jest.fn().mockReturnValue({
-                select: jest.fn().mockReturnValue({
-                  eq: jest.fn().mockReturnValue({
-                    single: jest.fn().mockReturnValue({ id: 123 }),
-                  }),
-                }),
-              }),
-            }),
-          }),
-        }),
-      };
-    });
-    (context.adapters.supabase.wallet.getWalletByUserId as jest.Mock).mockReturnValue(SPENDER);
-    (context.adapters.supabase.user.getUserIdByWallet as jest.Mock).mockReturnValue(userId);
-    jest
-      .spyOn(BaseWallet.prototype, "signTypedData")
-      // eslint-disable-next-line @typescript-eslint/no-unused-vars
-      .mockImplementation((domain: TypedDataDomain, types: Record<string, TypedDataField[]>, value: Record<string, unknown>) => {
-        return Promise.resolve("0x0");
-      });
+    const { getFastestProvider } = require("../src/utils/get-fastest-provider");
+    getFastestProvider.mockImplementation(() => Promise.resolve(new ethers.JsonRpcProvider("https://gnosis.drpc.org")));
+    context = setupBeforeEach(context, userId)
   });
 
   afterEach(() => {
@@ -110,10 +56,6 @@ describe("generateErc721PermitSignature", () => {
     expect(context.logger.error).not.toHaveBeenCalled();
   });
 
-  it("should throw an error if RPC is not defined", async () => {
-    context.config.evmNetworkId = 123;
-    await expect(generateErc721PermitSignature(context, "123", "contribution")).rejects.toThrow("Failed to get fastest provider for networkId: 123");
-  });
 
   it("should throw an error if NFT minter private key is not defined", async () => {
     delete process.env.NFT_MINTER_PRIVATE_KEY;
@@ -139,3 +81,83 @@ describe("generateErc721PermitSignature", () => {
     expect(context.logger.error).toHaveBeenCalledWith("No wallet found for user");
   });
 });
+
+describe("error handling", () => {
+  let context: Context;
+  beforeEach(() => {
+    const { getFastestProvider } = require("../src/utils/get-fastest-provider");
+    getFastestProvider.mockImplementation(() => Promise.reject(new Error("Failed to get fastest provider for networkId: 123")));
+    context = setupBeforeEach(context, 123, false)
+  });
+
+  it("should throw an error if RPC is not defined", async () => {
+    context.config.evmNetworkId = 123;
+    await expect(generateErc721PermitSignature(context, "123", "contribution")).rejects.toThrow("Failed to get fastest provider for networkId: 123");
+  });
+
+})
+
+function setupBeforeEach(context: Context, userId: number, withProvider = true) {
+  process.env.X25519_PRIVATE_KEY = "bHH4PDnwb2bsG9nmIu1KeIIX71twQHS-23wCPfKONls";
+  process.env.NFT_CONTRACT_ADDRESS = NFT_CONTRACT_ADDRESS;
+  process.env.NFT_MINTER_PRIVATE_KEY = "0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80";
+
+  context = {
+    ...mockContext,
+    config: {
+      evmNetworkId: 100,
+      evmPrivateEncrypted: cypherText,
+      isNftRewardEnabled: true,
+      nftMinterPrivateKey: process.env.NFT_MINTER_PRIVATE_KEY,
+      nftContractAddress: NFT_CONTRACT_ADDRESS,
+
+      // possible inputs from workflow_dispatch
+      token: NFT_CONTRACT_ADDRESS,
+      amount: 100,
+      spender: SPENDER,
+      userId: 123,
+
+      // nft specific inputs
+      contribution_type: "contribution",
+      issueID: 123,
+    },
+    octokit: {
+      request() {
+        return { data: { id: 1, login: "123" } };
+      },
+      users: {
+        getByUsername: jest.fn().mockReturnValue({ data: { id: userId } }),
+      },
+    },
+  } as unknown as Context;
+  context.env = process.env as Env;
+  context.eventName = "issues.closed";
+  jest.mock("@supabase/supabase-js", () => {
+    return {
+      createClient: jest.fn().mockReturnValue({
+        from: jest.fn().mockReturnValue({
+          select: jest.fn().mockReturnValue({
+            eq: jest.fn().mockReturnValue({
+              select: jest.fn().mockReturnValue({
+                eq: jest.fn().mockReturnValue({
+                  single: jest.fn().mockReturnValue({ id: 123 }),
+                }),
+              }),
+            }),
+          }),
+        }),
+      }),
+    };
+  });
+  (context.adapters.supabase.wallet.getWalletByUserId as jest.Mock).mockReturnValue(SPENDER);
+  (context.adapters.supabase.user.getUserIdByWallet as jest.Mock).mockReturnValue(userId);
+  jest
+    .spyOn(BaseWallet.prototype, "signTypedData")
+    // eslint-disable-next-line @typescript-eslint/no-unused-vars
+    .mockImplementation((domain: TypedDataDomain, types: Record<string, TypedDataField[]>, value: Record<string, unknown>) => {
+      return Promise.resolve("0x0");
+    });
+
+
+  return context;
+}
\ No newline at end of file
diff --git a/tests/generate-payout-permit.test.ts b/tests/generate-payout-permit.test.ts
index 6559ac6..98fb6f0 100644
--- a/tests/generate-payout-permit.test.ts
+++ b/tests/generate-payout-permit.test.ts
@@ -1,12 +1,14 @@
-// import { generateErc20PermitSignature } from "../src/handlers/generate-erc20-permit";
+import { ethers } from "ethers";
 import { generateErc20PermitSignature, generatePayoutPermit } from "../src";
-// import { generateErc721PermitSignature } from "../src/handlers/generate-erc721-permit";
 import { Context } from "../src/types/context";
 import { cypherText, mockContext, SPENDER } from "./constants";
 import { describe, expect, it, beforeEach, afterEach, jest } from "@jest/globals";
 
 jest.mock("../src/handlers/generate-erc20-permit");
 jest.mock("../src/handlers/generate-erc721-permit");
+jest.mock("../src/utils/get-fastest-provider", () => ({
+  getFastestProvider: jest.fn(() => new ethers.JsonRpcProvider("https://gnosis.drpc.org")),
+}));
 
 describe("generatePayoutPermit", () => {
   let context: Context;