Problem Statement

We document how to instrument a library, but not what to use to test instrumentation. This seems important enough to have some basic documentation for.

Proposed Solution

We should add a package example how to use https://pkg.go.dev/go.opentelemetry.io/otel/sdk/trace/tracetest

Prior Art

https://pkg.go.dev/go.opentelemetry.io/otel/log/logtest#example-package (source code: https://github.com/open-telemetry/opentelemetry-go/blob/main/log/logtest/example_test.go)

Additional Context

See:

• Go language docs: Add documentation for how to test instrumentation opentelemetry.io#6899