Remove fibers from WebdriverIO

[christian-bromann]

In #6702 we started an RFC to find the next step for supporting WebdriverIO in Node.js v16. As mentioned in the discussion node-fibers won't be supported anymore. Based on the decision found in the RFC we should implement a solution that allows us to move forward with Node.js v16.

[binarykitchen]

Aye. Unable to use webdriverio on latest node v16:

Assertion failed: (thread_id_key != 0x7777), function find_thread_id_key, file ../src/coroutine.cc, line 134.

Comes from the fibres package ...

[christian-bromann]

Aye. Unable to use webdriverio on latest node v16:

This is the reason for this issue.

[ASOS-DaliaBanerjee]

Any update on this issue?

[christian-bromann]

@ASOS-DaliaBanerjee we just deprecated the sync API: https://webdriver.io/blog/2021/07/28/sync-api-deprecation. Fibers support will be available until we drop support for Node.js v14 which will be in April 2023. I will close this issue as this doesn't need to stay around so long.