test: migrate from pytest in favor of ward

pyproject.toml

@@ -16,6 +16,7 @@ sh = "^1.14.3"
 pydantic = "^1.9.1"
 PyYAML = "^6.0"
 seedir = "^0.3.1"
+setuptools = "^65.3.0"
 
 
 [tool.poetry.group.linters.dependencies]
@@ -23,15 +24,17 @@ black = "^22.6.0"
 
 
 [tool.poetry.group.test.dependencies]
-pytest-mock = "^3.8.2"
-pytest-cov = "^3.0.0"
+ward = "^0.66.1b0"
+ward-coverage = "^0.1.5"
 
 [build-system]
 requires = ["poetry-core"]
 build-backend = "poetry.core.masonry.api"
 
-[tool.pytest.ini_options]
-addopts = ['--maxfail=1', '-rf', "--cov=halig", '--junitxml=report.xml']
+[tool.ward]
+path = ["tests"]
+fail-limit = 1
+hook_module = ["ward_coverage"]
 
-[tool.coverage.run]
+[tool.ward.plugins.coverage]
 omit = [".venv/**"]