In chrome you can rely on dev tools to do a lot of things, one of them is mocking / overriding the http response value.

  1. Go to network tab, find the http request you want to override. ( you can goto https://httpbin.org/ to try this out )
  2. Right click on the request and click open in sources panel. Network Tab
  3. Click on the source and click override content. Override Content
  4. On the top it will show select a folder to store override files in, click select folder. Select Folder
  5. Select the folder and click allow on the prompt. Allow
  6. Your sources tab will have updated source with the folder open and enable local overrides checked. Local Overrides
  7. Edit the value and refresh the page / reload the request, It will use the overriden values. Edit Value