tests: add collaboration module test case

[pipiiiiii]

Types

• ⏱ Tests

Background or solution

#2260

Changelog

• add test case

[codecov]

Codecov Report

Base: 57.75% // Head: 57.76% // Increases project coverage by +0.00% 🎉

Coverage data is based on head (17c0f4f) compared to base (f35fe97).
Patch coverage: 0.00% of modified lines in pull request are covered.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2306   +/-   ##
=======================================
  Coverage   57.75%   57.76%           
=======================================
  Files        1322     1322           
  Lines       83269    83271    +2     
  Branches    17330    17331    +1     
=======================================
+ Hits        48092    48101    +9     
+ Misses      31969    31962    -7     
  Partials     3208     3208           

Flag	Coverage Δ
jsdom	52.73% <0.00%> (+<0.01%)	⬆️
node	16.84% <0.00%> (-0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...es/editor/src/browser/editor-collection.service.ts	65.63% <0.00%> (-0.35%)	⬇️
...collaboration/src/browser/collaboration.service.ts	70.22% <0.00%> (+5.05%)	⬆️

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