build: Move test files to the tests/ directory

We don’t want these to install by default.

examples/test_client.py

@@ -20,6 +20,7 @@ async def main():
         print(msg)
 
 
+if __name__ == "__main__":
     loop = get_event_loop()
     loop.run_until_complete(main())
     loop.close()

examples/test_server.py

@@ -23,6 +23,7 @@ async def main():
     await server.listen()
 
 
+if __name__ == "__main__":
     loop = get_event_loop()
     loop.run_until_complete(main())
     loop.run_forever()

pyproject.toml

@@ -38,6 +38,19 @@ version_provider = "poetry"
 update_changelog_on_bump = true
 major_version_zero = true
 
+[tool.coverage.run]
+branch = true
+
+[tool.coverage.report]
+show_missing = true
+skip_covered = true
+fail_under = 91
+omit = ["examples/*"]
+
+[tool.pytest.ini_options]
+addopts = "--cov=. --no-cov-on-fail"
+ignore = "examples"
+
 [build-system]
 requires = ["poetry-core"]
 build-backend = "poetry.core.masonry.api"

pytest.ini

@@ -1,3 +0,0 @@
-[pytest]
-addopts = --cov secret_handshake --cov-report term-missing --no-cov-on-fail
-python_files = secret_handshake/test_*.py