Missing 'streams' variable & test renames

[joanlopez]

What?

It addresses #3740 (comment)

Why?

Forgotten after a UI-through rename suggestion.

Checklist

• I have performed a self-review of my code.
• I have added tests for my changes.
• I have run linter locally (make lint) and all checks pass.
• I have run tests locally (make tests) and all tests pass.
• I have commented on my code, particularly in hard-to-understand areas.

Related PR(s)/Issue(s)

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 71.86%. Comparing base (73aaa79) to head (465b8db).

❗ Current head 465b8db differs from pull request most recent head c9a4072

Please upload reports for the commit c9a4072 to get more accurate results.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3785      +/-   ##
==========================================
- Coverage   71.88%   71.86%   -0.02%     
==========================================
  Files         291      291              
  Lines       21249    21249              
==========================================
- Hits        15274    15270       -4     
- Misses       4913     4917       +4     
  Partials     1062     1062              

Flag	Coverage Δ
ubuntu	71.78% <100.00%> (-0.03%)	⬇️
windows	71.72% <100.00%> (-0.01%)	⬇️

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