test: fix alchemy env var not found error

Tests would complain when the Alchemy env var isn't found. The tests
shouldn't even need it. This most likely came to be when the RPC URL
building was changed and this test was missed.
The new mocks catch that oversight.

Author: pheuberger

test/safe-signatures/SafeSignatureVerifier.test.ts

@@ -1,17 +1,25 @@
 import { describe, it, expect, vi } from "vitest";
 import Verifier from "../../src/lib/safe/signature-verification/UserUpsertSignatureVerifier.js";
 
-// Mock the entire getRpcUrl module
-vi.mock("../../src/utils/getRpcUrl.js", () => ({
-  getRpcUrl: vi.fn().mockImplementation((chainId: number) => {
-    if (chainId === 1) {
-      throw new Error("Unsupported chain ID: 1");
-    }
-    return "mock-rpc-url";
-  }),
-  getEvmClient: vi.fn().mockReturnValue({
-    verifyMessage: vi.fn().mockResolvedValue(true),
-  }),
+// Fix the import paths and mock implementations
+vi.mock("../../src/client/evmClient.js", () => ({
+  EvmClientFactory: {
+    create: vi.fn().mockReturnValue({
+      verifyMessage: vi.fn().mockResolvedValue(true),
+    }),
+    getAllAvailableUrls: vi
+      .fn()
+      .mockReturnValue(["mock-rpc-url-1", "mock-rpc-url-2"]),
+    getPublicRpcUrl: vi.fn().mockReturnValue("mock-public-rpc-url"),
+  },
+}));
+
+vi.mock("../../src/lib/safe/safe-rpc-urls.js", () => ({
+  RpcStrategyFactory: {
+    getStrategy: vi.fn().mockReturnValue({
+      getUrl: vi.fn().mockReturnValue("mock-rpc-url"),
+    }),
+  },
 }));
 
 // Testing hashing of typed data via UserUpsertSignatureVerifier