Tests(tox): Install ppu

Install Portable Python Utilities that are used in tests.

diff --git a/devscripts/requirements/requirements_tests.txt b/devscripts/requirements/requirements_tests.txt
index 8e890d819b41b5fc02a1412a619883d51d7ae6bc..353aa9e3da07c97f6853394a88b122808b3d3513 100644 (file)
--- a/devscripts/requirements/requirements_tests.txt
+++ b/devscripts/requirements/requirements_tests.txt
@@ -2,3 +2,4 @@
 
 pytest
 pytest-cov
+ppu