Clear default propagator when one is explicitly added #8695
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Description
Resolves #8651
The
propagationFormats
attribute of theJaegerTracerBuilder
is anEnumSet
and is assigned a single default value using a field initializer.But the
addPropagationFormat
method simply adds its parameter to theEnumSet
without regard to the default value.This PR adds logic to clear the default value upon the first explicit addition of a propagation format.
The PR includes tests to make sure the default value is cleared properly and retained properly.
Documentation
Bug fix; no doc impact.