feat: adding test for common mocking libraries (#266)

* feat: adding test for common mocking libraries

* docs: updating the readme with info on mocking

* fix: node 18 compat

.npmignore

@@ -1,4 +1,5 @@
 .github/
+.nyc_output/
 coverage/
 test/
 .eslint*

README.md

@@ -12,6 +12,7 @@ Make a [fetch](https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API) reque
 - Supports Node 14+ (including the native `fetch` implementation in Node 18!).
 - Natively works in all browsers that support [fetch](https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API) without having to use any polyfils.
 - [Tested](https://github.com/readmeio/fetch-har/actions) across Chrome, Safari, Firefox on Mac, Windows, and Linux.
+- Requests can be mocked with [nock](https://npm.im/nock) or [fetch-mock](https://npm.im/fetch-mock).
 
 ## Installation
 

karma.conf.js

@@ -20,7 +20,7 @@ module.exports = karmaConfig({
         timeout: 15000,
       },
     },
-    exclude: ['test/node-quirks.test.ts'],
+    exclude: ['test/mocking/*.ts', 'test/node-quirks.test.ts'],
     webpack: {
       resolve: {
         extensions: ['.js', '.ts'],