* Start a separate CONSUMER receive span for each non-empty KafkaConsumer#poll() call
* One batch receive + one batch process span in spring-kafka
* Add CONSUMER receive spans to kafka-streams too
* codenarc
* code review comments
* Refactor InMemoryExporter and move some of its methods to spock base class & junit extension
* codenarc
* spotless
* Apply suggestions from code review
Co-authored-by: Trask Stalnaker <trask.stalnaker@gmail.com>
* fix armeria library tests
Co-authored-by: Trask Stalnaker <trask.stalnaker@gmail.com>
* testing-common refactoring: replace direct AgentTestRunner usage with spock spec
* Updated instrumentation docs
* Fix reactor-core library tests
ReactorCoreTest was getting a tracer from GlobalOpenTelemetry before LibraryTestTrait had a change to initialize the SDK