Move all tests to single directory "tests"

Signed-off-by: Povilas Kanapickas <povilas@radix.lt>

tests/unit/test_volumes.py

@@ -0,0 +1,20 @@
+# SPDX-License-Identifier: GPL-2.0
+# pylint: disable=redefined-outer-name
+import unittest
+
+from podman_compose import parse_short_mount
+
+
+class ParseShortMountTests(unittest.TestCase):
+    def test_multi_propagation(self):
+        self.assertEqual(
+            parse_short_mount("/foo/bar:/baz:U,Z", "/"),
+            {
+                "type": "bind",
+                "source": "/foo/bar",
+                "target": "/baz",
+                "bind": {
+                    "propagation": "U,Z",
+                },
+            },
+        )