test: add integration tests for logstream logs

[Roshanjossey]

PR checklist

Docs

• [ ] If you added new code; is it self documenting? (all the variable names clear, comments added where appropriate)
• [ ] If you touched existing code; did you refactor existing naming, added comments where necessary?

Tests

• [ ] If your ticket adds new functionality; have you added unit tests to verify behaviour?
• [ ] If your ticket alters user interaction with the UI; have you added integration tests?
• [ ] Do your tests check for every convievable user behabviour? (all behaviours the user can perform)

Typing

• [ ] If you added new code; have you added typing?
• [ ] If you touched existing code; have you improved its typing?

Styling

• [ ] If new styles were created; Did you refactor/add more styles in css-in-js style?

[codecov[bot]]

Codecov Report

Merging #277 (39120fd) into master (beccf32) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #277   +/-   ##
=======================================
  Coverage   62.09%   62.09%           
=======================================
  Files          57       57           
  Lines        1182     1182           
  Branches      182      183    +1     
=======================================
  Hits          734      734           
  Misses        448      448           

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