fix(react-email): Tests not importing @babel/traverse the same as raw ESM (#2205)

Author: gabrielmfern

packages/react-email/src/cli/utils/preview/hot-reloading/create-dependency-graph.spec.ts

@@ -10,6 +10,11 @@ const pathToFileForTestingDependencyGraph = path.join(
   '.for-dependency-graph.ts',
 );
 
+vi.mock('@babel/traverse', async () => {
+  const traverse = await vi.importActual('@babel/traverse');
+  return { default: traverse };
+});
+
 test('createDependencyGraph()', async () => {
   if (existsSync(pathToFileForTestingDependencyGraph)) {
     await fs.rm(pathToFileForTestingDependencyGraph);

packages/react-email/src/cli/utils/preview/hot-reloading/get-imported-modules.spec.ts

@@ -1,6 +1,11 @@
 import { promises as fs } from 'node:fs';
 import { getImportedModules } from './get-imported-modules';
 
+vi.mock('@babel/traverse', async () => {
+  const traverse = await vi.importActual('@babel/traverse');
+  return { default: traverse };
+});
+
 describe('getImportedModules()', () => {
   it('should work with this test file', async () => {
     const contents = await fs.readFile(import.meta.filename, 'utf8');