override_dh_auto_test to set PYTHONPATH.

debian/changelog

@@ -19,6 +19,7 @@ python-kubernetes (12.0.1-1) unstable; urgency=medium
     tarball that would be later on discarded? I'm open to a better solution
     which would be uscan compatible though...). Switch d/watch to the github
     tag therefore.
+  * override_dh_auto_test to set PYTHONPATH.
 
  -- Thomas Goirand <zigo@debian.org>  Fri, 20 Nov 2020 09:16:10 +0100
 

debian/rules

@@ -13,6 +13,11 @@ UPSTREAM_GIT = https://github.com/kubernetes-incubator/client-python
 %:
 	dh $@ --with python3 --buildsystem=pybuild
 
+override_dh_auto_test:
+	set -e ; set -x ; for pyvers in $$(py3versions -vr 2>/dev/null) ; do \
+		PYTHONPATH=$(CURDIR) python$${pyvers} -m pytest -v ; \
+	done
+
 gen-orig-xz:
 	set -e ; set -x ; \
 	cd .. ; \