chore: add flaky marker to pyproject (#1179)

* add flaky marker

* add pytest-rerunfailures

* use rerunfailures arg

Author: selmanozleyen

pyproject.toml

@@ -112,6 +112,7 @@ optional-dependencies.test = [
   # Just for VS Code
   "pytest-cov>=4",
   "pytest-mock>=3.5",
+  "pytest-rerunfailures",
   "pytest-timeout>=2.1",
   "pytest-xdist>=3",
   "scanpy[leiden]",

tests/utils/test_parallelize.py

@@ -67,7 +67,7 @@ def func(request) -> Callable:
 # in case of failure.
 
 
-@pytest.mark.flaky(max_runs=5)
+@pytest.mark.flaky(reruns=4)
 @pytest.mark.timeout(5)
 @pytest.mark.parametrize(
     "backend",