diff --git a/switchboard.py b/switchboard.py
index 38d38d4..57ce541 100755
--- a/switchboard.py
+++ b/switchboard.py
@@ -259,7 +259,7 @@ def install_command(self):
 
     @property
     def test_command(self):
-        return "pytest datashader"
+        return "pytest -s datashader"
 
 
 class PandasTests(CondaTarget):