use standard Testsuite for autopkgtest

debian/control

@@ -20,6 +20,7 @@ Vcs-Browser: https://salsa.debian.org/python-team/packages/python-multipletau
 Vcs-Git: https://salsa.debian.org/python-team/packages/python-multipletau.git
 Homepage: https://github.com/FCS-analysis/multipletau
 Rules-Requires-Root: no
+Testsuite: autopkgtest-pkg-pybuild
 
 Package: python3-multipletau
 Architecture: all

debian/tests/control

-Test-Command: for p in $(py3versions -s); do $p -m pytest tests/; done
-Depends:
- python3-all,
- python3-pytest,
- python3-multipletau,