diff -r 1c4b5689bef5 -r 4e7bd6180b53 tests/test-rust-discovery.py
--- a/tests/test-rust-discovery.py	Fri May 17 01:56:57 2019 +0200
+++ b/tests/test-rust-discovery.py	Tue May 21 17:43:55 2019 +0200
@@ -103,6 +103,9 @@
         self.assertTrue(disco.iscomplete())
         self.assertEqual(disco.commonheads(), {1})
 
+    def testinitnorandom(self):
+        PartialDiscovery(self.repo(), [3], True, randomize=False)
+
 if __name__ == '__main__':
     import silenttestrunner
     silenttestrunner.main(__name__)