Add E2E tests for Jason's Room API

[evdokimovs]

Requires #178

Synopsis

This PR implements E2E tests for Jason's Room API. This includes Connection, RemoteMediaTrack and LocalMediaTrack.

Solution

Implement Cucumber steps needed for this tests and write Cucumber scenarios using it.

Checklist

• Created PR:
  • [x] In draft mode
  • [x] Name contains Draft: prefix
  • [x] Name contains issue reference
  • [x] Has k:: labels applied
  • [x] Has assignee
• [x] Documentation is updated (if required)
• [x] Tests are updated (if required)
• [x] Changes conform code style
• [x] CHANGELOG entry is added (if required)
• [x] FCM (final commit message) is posted
  • [x] and approved
• [x] Review is completed and changes are approved
• Before merge:
  • [x] Milestone is set
  • [x] PR's name and description are correct and up-to-date
  • [x] Draft: prefix is removed
  • [x] All temporary labels are removed

[evdokimovs]

FCM

Add E2E tests for Jason's Room API (#179)

Additionally:
- add 'only' option to 'test.e2e' Makefile command