Still need more test coverage

[jankapunkt]

Is your feature request related to a problem? Please describe.
We still do not catch all potential regressions as we still have insufficient coverage:

-------------------------|---------|----------|---------|---------|-----------------------------------------------------------------------------------------------------
File                     | % Stmts | % Branch | % Funcs | % Lines | Uncovered Line #s                                                                                   
-------------------------|---------|----------|---------|---------|-----------------------------------------------------------------------------------------------------
All files                |    70.6 |    63.81 |    67.9 |   71.36 |                                                                                                     
 helpers                 |   63.63 |      100 |   33.33 |      75 |                                                                                                     
  reactNativeBindings.js |   63.63 |      100 |   33.33 |      75 | 14-16                                                                                               
 lib                     |   93.23 |       88 |   96.96 |   93.38 |                                                                                                     
  Random.js              |     100 |      100 |     100 |     100 |                                                                                                     
  ddp.js                 |   87.14 |    83.33 |      90 |    88.4 | 80-101                                                                                              
  mongo-id.js            |     100 |      100 |     100 |     100 |                                                                                                     
  queue.js               |     100 |      100 |     100 |     100 |                                                                                                     
  sha256.js              |   92.59 |       40 |     100 |      92 | 211-217                                                                                             
  socket.js              |     100 |      100 |     100 |     100 |                                                                                                     
  utils.js               |   84.61 |       88 |     100 |   84.61 | 59,104,110-111                                                                                      
 src                     |   63.84 |    59.15 |   60.44 |   64.44 |                                                                                                     
  Call.js                |     100 |       75 |     100 |     100 | 10                                                                                                  
  Collection.js          |   76.77 |       72 |   73.68 |   77.85 | 39,49-57,215,234-258,384,422,440-455                                                                
  Data.js                |   25.64 |    35.71 |    6.25 |   25.64 | 30-32,75-167,183-184                                                                                
  Meteor.js              |   19.55 |    16.03 |   21.21 |   20.34 | 28-38,71-85,114,121-126,146-163,168-190,194-208,214-225,231-255,262-276,282-286,292-298,308,325-460 
  Mongo.js               |       0 |        0 |       0 |       0 |                                                                                                     
  ReactiveDict.js        |     100 |      100 |     100 |     100 |                                                                                                     
  Tracker.js             |   91.58 |    81.63 |   94.44 |    92.7 | 58,78-79,99-100,125-127,181,250,437,538,560,646                                                     
 src/components          |    6.25 |        0 |       0 |    6.89 |                                                                                                     
  useTracker.js          |    8.33 |        0 |       0 |    9.09 | 24-60                                                                                               
  withTracker.js         |       0 |        0 |       0 |       0 | 23-33                                                                                               
-------------------------|---------|----------|---------|---------|-----------------------------------------------------------------------------------------------------

Describe the solution you'd like
Complete coverage between 90% and 100%

[github-actions]

Closing this issue due to no activity. Feel free to reopen.