Tests: Modernize configuration and invocation of pytest

By centralizing common configuration settings into `pyproject.toml`,
the invocation is more universal, and the configuration does not need to
be maintained at different spots.

Makefile

@@ -43,13 +43,13 @@ format: ## Run code formatting
 	black .
 
 test: clean ## Run tests with virtualenv Python
-	py.test -s -v --lf --cov epo_ops tests --cov-report term-missing --cov-report xml
+	pytest --lf
 
 test-ci: clean ## Run tests in CI environment with virtualenv Python
-	py.test -v --cov epo_ops tests --cov-report term-missing --cov-report xml
+	pytest
 
-coverage: clean ## Check code coverage locally
-	py.test -s -v --cov epo_ops tests --cov-report term-missing --cov-report xml --cov-report html
+coverage: clean test-ci ## Check code coverage locally
+	coverage html
 	open htmlcov/index.html
 
 release: clean # Package and upload a release to PyPI

pyproject.toml

@@ -9,6 +9,18 @@ requires = [
 ]
 build-backend = "setuptools.build_meta"
 
+[tool.pytest.ini_options]
+minversion = "2.0"
+addopts = """
+  -rsfEX -p pytester --strict-markers --verbosity=3
+  --cov=epo_ops tests --cov-report=term-missing --cov-report=xml
+  """
+log_level = "DEBUG"
+log_cli_level = "DEBUG"
+testpaths = ["tests"]
+xfail_strict = true
+markers = [
+]
 
 [tool.ruff]
 line-length = 80