Enable OpenTelemetry for Desktop target in xUnit tests #18233
Merged
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Turns out building trace provider involves some assemblies being dynamically loaded. That's what kept failing previously.
We do install an assembly resolver in the app domain for desktop target but it was installed later than the call to
CreateTracerProviderBuilder
. In effect Otel couldn't load some assemblies during startup. With this PR the call toAssemblyResolver.addResolver
happens earlier.