fix incorrect delegate method

[breedx-splk]

resolves #4628

I tried writing a test, but the classloading stuff was too perilous and I gave up.

[laurit]

I believe you can modify this test

opentelemetry-java-instrumentation/instrumentation/opentelemetry-api/opentelemetry-api-1.0/javaagent/src/test/groovy/TracerTest.groovy

Lines 337 to 347 in 4719e4c

	def "test tracer builder"() {
	when:
	def tracer = GlobalOpenTelemetry.get().tracerBuilder("test").build()
	def testSpan = tracer.spanBuilder("test").setSpanKind(PRODUCER).startSpan()
	testSpan.end()
	then:
	assertTraces(1) {
	trace(0, 1) {
	span(0) {
	name "test"

to verify the fix. Just add something like

assert it.span.instrumentationLibraryInfo.name == "test"
assert it.span.instrumentationLibraryInfo.version == "1.0"

inside the span(0) {} block and set the version on tracer builder.

[breedx-splk]

I believe you can modify this test

Interesting. I was just trying to write a vanilla unit test, but that really did fail miserably, so this seems like a good consolation prize. I got it going, thanks for the suggestion.

[trask]

👍