:application.load(:opentelemetry) :application.set_env(:opentelemetry, :tracer, :otel_tracer_default) :application.set_env(:opentelemetry, :processors, [ {:otel_batch_processor, %{scheduled_delay_ms: 1}} ]) Application.ensure_all_started(:opentelemetry) Application.ensure_all_started(:telemetry) OpentelemetryEcto.TestRepo.start_link() ExUnit.start() Ecto.Adapters.SQL.Sandbox.mode(OpentelemetryEcto.TestRepo, :manual)