diff --git a/pkgs/development/python-modules/ripser/default.nix b/pkgs/development/python-modules/ripser/default.nix
index 4ca8aecaa68e..8f071f3f7908 100644
--- a/pkgs/development/python-modules/ripser/default.nix
+++ b/pkgs/development/python-modules/ripser/default.nix
@@ -74,6 +74,10 @@ buildPythonPackage rec {
     "test_thresh"
     # assert(np.allclose(r1, r2))
     "test_zero_edge_bug"
+    # assert (0, 2) == (1, 2)
+    "test_verbose_true"
+    # assert (0, 2) == (1, 2)
+    "test_verbose_false"
   ];
 
   meta = {