Add tests for stripe using stripe-mock

[slinlee]

@fionnachan we can try with https://github.com/stripe/stripe-mock
I disabled stripe tests for now

Originally posted by @EvgeniyEA in #2991 (comment)

[EvgeniyEA]

@fionnachan how could I configure webapp to send stripe calls to the stripe mock? Maybe I need to change some parameters?
I started stripe mock on my local environment and try to change the port pathmind.pathmind-api.url=${PATHMIND_API_URL:http://localhost:12111}

[fionnachan]

On our webapp, when the user clicks the "Request Onboarding Service" button, a POST request with X-PM-API-TOKEN is sent to our pathmind-api's /create-checkout-session endpoint.

This endpoint will create a Stripe session id with the session configuration (product name, description, price, amount, customer email and id that are attached to the Stripe user in out DB).

Upon receiving a successful POST request response with the Stripe session id, on the frontend we will pass in the session id and call a function from the stripe.js to redirect the browser page to the Stripe Checkout page.

User inputs payment info on the Checkout page. If the payment is successful, they will be redirected to our webapp's payment success page. If unsuccessful, they will return to the main page (which will be the project view). These URLs were configured at pathmind-api /create-checkout-session.

https://stripe.com/docs/api/checkout/sessions

I'm not familiar with Selenium so I'm not sure if this is possible but this is what I think could be done to write the tests:

1. Mock the pathmind-api endpoint response to return a dummy Stripe session id to call the mocked Stripe service to initialize a Checkout session.
2. Mock the Checkout session form submission response.

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.