test: split payment e2e tests

[olgapod]

Description

• [] TODO write description

Testing

TODO: High level overview of what reviewers are testing with your pr.

TODO: Followed by step-by-step instructions for testing your branch so reviewers can easily jump straight in and start testing.

• Step 1. E.g. add reputation
• Step 2. E.g. install Governance extension
• Step 3. E.g. Create motion

Diffs

New stuff ✨

• New stuff goes here

Changes 🏗

• Changes go here

Deletions ⚰️

• Deletions go here

TODO

• Add TODOs

(Resolves | Contributes to) #31415