Add mock dependency

waveform80 · waveform80 · commit d055b76a649c · 2021-03-17T13:47:51.000Z
This should be removed when 2.x is dropped (shortly) as we should
migrate all tests to import mock from unittest
diff --git a/setup.cfg b/setup.cfg
@@ -40,6 +40,7 @@ gpiozero =
 
 [options.extras_require]
 test =
+    mock
     pytest
     pytest-cov
 doc =
