Convert tests to be structured with describe + it

[ggobugi27]

What article is affected?

Currently, some tests are written in test structure, and some are using describe+it.
The tests should be converted to use describe + it structure

What part(s) of the article would you like to see updated?

Example of tests using test structure are the test in chainweb-node-client: spv tests

Example of what describe-it test looks like is one of the client tests

All of the tests in kadena.js library should be converted to be written like the describe-it example

Additional information

No response

[github-actions]

This issue is stale because it is open for 60 days with no activity