Add new poetry tasks for pytest

Updated the test task to now run with --ff which runs failed tests from the last run first

Added retest, which runs pytest with --lf this only runs the failed tests from the last test run

Author: ChrisLovering

pyproject.toml

@@ -62,7 +62,8 @@ precommit = "pre-commit install"
 build = "docker build -t ghcr.io/python-discord/bot:latest -f Dockerfile ."
 push = "docker push ghcr.io/python-discord/bot:latest"
 test-nocov = "pytest -n auto"
-test = "pytest -n auto --cov-report= --cov"
+test = "pytest -n auto --cov-report= --cov --ff"
+retest = "pytest -n auto --cov-report= --cov --lf"
 html = "coverage html"
 report = "coverage report"