Remove deprecated setup.py test

Author: fantix

.github/workflows/tests.yml

@@ -50,4 +50,4 @@ jobs:
       if: steps.release.outputs.version == 0
       run: |
         pip install -e .
-        python setup.py test
+        python -m unittest -v tests.suite

Makefile

@@ -14,7 +14,7 @@ debug:
 	DEBUG_IMMUTABLES=1 $(PYTHON) setup.py build_ext --inplace
 
 test:
-	$(PYTHON) setup.py test -v
+	$(PYTHON) -m unittest -v
 
 rtest:
 	~/dev/venvs/36-debug/bin/python setup.py build_ext --inplace

setup.py

@@ -73,5 +73,4 @@
     provides=['immutables'],
     include_package_data=True,
     ext_modules=ext_modules,
-    test_suite='tests.suite',
 )