chore(testing): Add options object to be able to pass in other glob options (#264)

Author: ryanseddon

packages/testing/src/utils/getExports.example.md

@@ -1,14 +1,14 @@
 Signature:
 
-- `getExports({ globPath: string, cwd: string, fileMapper: function })`
+- `getExports({ globPath: string, cwd: string, options: object, fileMapper: function })`
 
 ```jsx static
 import { getExports } from '@zendeskgarden/react-testing';
 import * as rootIndex from './';
 
 describe('Index', () => {
   it('exports all components and utilities', async () => {
-    const exports = await getExports({ cwd: __dirname });
+    const exports = await getExports({ cwd: __dirname, options: { ignore: 'a/**' } });
 
     expect(Object.keys(rootIndex).sort()).toEqual(exports);
   });

packages/testing/src/utils/getExports.js

@@ -29,10 +29,11 @@ function defaultFileMapper(files) {
 function getExports({
   globPath = '**/!(index|*.spec).js',
   cwd,
+  options = {},
   fileMapper = defaultFileMapper
 } = {}) {
   return new Promise((resolve, reject) => {
-    glob(globPath, { cwd }, (error, files) => {
+    glob(globPath, { ...options, cwd }, (error, files) => {
       if (error) {
         reject(error);
       }