RUMM-2765 Fix unit tests flakiness in MutationResolverTest

[mariusc83]

What does this PR do?

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Motivation

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Additional Notes

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Review checklist (to be filled by reviewers)

• Feature or bugfix MUST have appropriate tests (unit, integration, e2e)
• Make sure you discussed the feature or bugfix with the maintaining team in an Issue
• Make sure each commit and the PR mention the Issue number (cf the CONTRIBUTING doc)

[codecov-commenter]

Codecov Report

Merging #1157 (01d9eb5) into feature/sdkv2 (d451d7e) will increase coverage by 0.01%.
The diff coverage is n/a.

@@                Coverage Diff                @@
##           feature/sdkv2    #1157      +/-   ##
=================================================
+ Coverage          82.28%   82.29%   +0.01%     
=================================================
  Files                353      353              
  Lines              11796    11796              
  Branches            2007     2007              
=================================================
+ Hits                9706     9707       +1     
- Misses              1465     1466       +1     
+ Partials             625      623       -2     

Impacted Files	Coverage Δ
...android/log/internal/logger/TelemetryLogHandler.kt	71.43% <0.00%> (-28.57%)	⬇️
...d/v2/core/internal/storage/FileEventBatchWriter.kt	95.24% <0.00%> (-2.38%)	⬇️
...ndroid/telemetry/internal/TelemetryEventHandler.kt	71.67% <0.00%> (-0.83%)	⬇️
.../android/rum/internal/monitor/DatadogRumMonitor.kt	92.78% <0.00%> (-0.56%)	⬇️
...src/main/kotlin/com/datadog/android/DatadogSite.kt	86.67% <0.00%> (ø)
...android/v2/core/internal/DatadogContextProvider.kt	81.54% <0.00%> (ø)
...android/v2/core/internal/net/DataOkHttpUploader.kt	94.52% <0.00%> (ø)
.../kotlin/com/datadog/android/v2/core/DatadogCore.kt	89.66% <0.00%> (+0.43%)	⬆️
...android/log/internal/domain/DatadogLogGenerator.kt	95.95% <0.00%> (+0.68%)	⬆️
...in/com/datadog/android/log/internal/LogsFeature.kt	88.71% <0.00%> (+3.23%)	⬆️
... and 1 more