Merge integration into pytest

test/streaming-sim/VerifySimResults.py

test/streaming-sim/__init__.py

test/streaming-sim/conftest.py

test/streaming-sim/test_rspec.py

test/streaming/__init__.py

test/streaming/conftest.py

test/streaming/setup.sh

test/streaming/test_rspec.py

test/telegraf-agents/__init__.py

test/telegraf-agents/conftest.py

test/telegraf-agents/rspec.yml

test/telegraf-agents/test_telegraf_agents.py