test(core-logger-pino): increase coverage to 100%

[faustbrian]

Resolves #3475

[codecov]

Codecov Report

Merging #3580 into develop will increase coverage by 0.07%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop    #3580      +/-   ##
===========================================
+ Coverage    60.63%   60.71%   +0.07%     
===========================================
  Files          547      547              
  Lines        13655    13653       -2     
  Branches      1866     1866              
===========================================
+ Hits          8280     8289       +9     
+ Misses        5347     5336      -11     
  Partials        28       28

Impacted Files	Coverage Δ
packages/core-logger-pino/src/driver.ts	100% <ø> (+3.38%)	⬆️
...ckages/core-kernel/src/support/instance-manager.ts	85.71% <0%> (+9.52%)	⬆️
packages/core-logger-pino/src/service-provider.ts	100% <0%> (+100%)	⬆️

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