added testing environment

.gitignore

 .idea
+.tox
+.pytest_cache
+swarm.egg-info
 venv
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setup.py

@@ -19,5 +19,5 @@ setup(
         'Operating System :: POSIX :: Linux',
         'Operating System :: Microsoft :: Windows',
         'Programming Language :: Python :: 3.10'
-    ]
+    ],
 )

tests/test_swarm.py

+from unittest import TestCase
+
+import swarm
+
+class Test(TestCase):
+    def test_test(self):
+        dummy = "hi"
+        self.assertTrue(True)
\ No newline at end of file

tox.ini

+[tox]
+envlist = py36,py310
+
+[testenv]
+deps = pytest==7.0
+commands =
+    pytest
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