--- a
+++ b/tests/conftest.py
@@ -0,0 +1,22 @@
+import pytest
+
+
+def pytest_addoption(parser):
+    parser.addoption(
+        "--trials", action="store", default=10000,
+        help="number of trails for random tests"
+    )
+    parser.addoption(
+        "--dataset_samples", action="store", default=10000,
+        help="number of samples to test from the data sets"
+    )
+
+
+@pytest.fixture
+def trials(request):
+    return int(request.config.getoption("--trials"))
+
+
+@pytest.fixture
+def dataset_samples(request):
+    return int(request.config.getoption("--dataset_samples"))