Use TestObservationRegistry in context propagation tests

micrometer-metrics / tracing

Provides tracing abstractions over tracers and tracing system reporters.

https://micrometer.io

Apache License 2.0

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Use TestObservationRegistry in context propagation tests #810

Closed chemicL closed 2 months ago

chemicL commented 3 months ago

This change allows to leverage ObservationValidator and can help improve the NullObservation implementation. Currently the tests should fail so it's best to delay merging until NullObservation interoperability with ObservationValidator is improved.