lootsa tests fixes

src/routes/system.routes.test.ts

@@ -8,12 +8,13 @@ import systemRouter from './system.routes';
 // Define a type for the exec callback to avoid using `any`.
 type ExecCallback = (error: ExecException | null, stdout: string, stderr: string) => void;
 
-// FIX: Add default export to child_process mock
-vi.mock('child_process', async (importOriginal) => {
-  const actual = await importOriginal<typeof import('child_process')>();
+// Mock the 'child_process' module.
+vi.mock('child_process', () => {
   return {
-    ...actual, // Spread all original exports.
-    exec: vi.fn(), // Override only the 'exec' function with a mock.
+    // Mock the named export 'exec'.
+    exec: vi.fn(),
+    // Also mock the default export if it's used elsewhere.
+    default: { exec: vi.fn() },
   };
 });