test: make channels api tests fully independent

[MarcosSpessatto]

https://rocketchat.atlassian.net/browse/CORE-147

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[changeset-bot]

⚠️ No Changeset found

Latest commit: 5207959

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (4442737) 54.35% compared to head (5207959) 54.38%.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop   #31606      +/-   ##
===========================================
+ Coverage    54.35%   54.38%   +0.03%     
===========================================
  Files         2276     2280       +4     
  Lines        50102    50151      +49     
  Branches     10226    10233       +7     
===========================================
+ Hits         27232    27276      +44     
- Misses       20386    20396      +10     
+ Partials      2484     2479       -5     

Flag	Coverage Δ
e2e	53.26% <ø> (+0.10%)	⬆️
e2e-api	39.86% <ø> (-0.09%)	⬇️

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[sampaiodiego]

the diff didn't help in this case 🙈 I guess it is ok 😬