Update "pyproject.toml" file.

Author: KelSolaar

pyproject.toml

@@ -68,6 +68,7 @@ pydata-sphinx-theme = { version = "*", optional = true }  # Development dependen
 pydocstyle = { version = "*", optional = true }  # Development dependency.
 pytest = { version = "*", optional = true }  # Development dependency.
 pytest-cov = { version = "*", optional = true }  # Development dependency.
+pytest-xdist = { version = "*", optional = true} #Development dependency
 pyupgrade = { version = "*", optional = true }  # Development dependency.
 restructuredtext-lint = { version = "*", optional = true }  # Development dependency.
 sphinx = { version = ">= 4, < 5", optional = true }  # Development dependency.
@@ -90,6 +91,7 @@ pydata-sphinx-theme = "*"
 pydocstyle = "*"
 pytest = "*"
 pytest-cov = "*"
+pytest-xdist = "*"
 pyupgrade = "*"
 restructuredtext-lint = "*"
 sphinx = ">= 4, < 5"
@@ -145,6 +147,9 @@ ignore_missing_imports = true
 convention = "numpy"
 add-ignore = "D104,D200,D202,D205,D301,D400"
 
+[tool.pytest.ini_options]
+addopts = "-n auto --durations=5"
+
 [build-system]
 requires = [ "poetry_core>=1.0.0" ]
 build-backend = "poetry.core.masonry.api"