Fix reporter tests and disable collection warnings.

Author: jschwartzentruber

grizzly/reduce/test_main.py

@@ -8,8 +8,8 @@
 from grizzly.reduce.args import ReducerArgs, ReducerFuzzManagerIDArgs
 from grizzly.reduce import reduce, crash, bucket, ReductionJob
 from grizzly import reporter
-from .test_common import BaseFakeReporter
-from .test_reduce import FakeInteresting, FakeTarget
+from .test_common import BaseFakeReporter, FakeTarget
+from .test_reduce import FakeInteresting
 
 
 def test_parse_args(capsys, tmp_path):

tox.ini

@@ -1,2 +1,5 @@
 [flake8]
 max-line-length = 110
+
+[pytest]
+python_classes=