Describe your environment

OS: (e.g, Ubuntu)
Python version: (e.g., Python 3.8.10)
SDK version: (e.g., 1.25.0)
API version: (e.g., 1.25.0)

What happened?

opentelemetry-exporter-otlp-proto-grpc tests are super slow

Steps to Reproduce

Run tox -e py311-opentelemetry-exporter-otlp-proto-grpc-1

Expected Result

Tests are not super slow

Actual Result

Tests are super slow

Additional context

No response

Would you like to implement a fix?

None