feat(testing): init pytest fixtures

current_test fixture allows to retrieve the current test context, that is
exposed through the shell environment

src/byteb4rb1e/utils/testing/pytest/fixtures.py

@@ -0,0 +1,14 @@
+import os
+from pathlib import Path
+from typing import Tuple
+
+import pytest
+
+
+@pytest.fixture
+def current_test() -> Tuple[Path, str]:
+    """
+    """
+    suite_path, case_name = os.getenv('PYTEST_CURRENT_TEST').split('::', 1)
+    case_name = case_name.split(' ', 1)[0]
+    return Path(suite_path).resolve(), case_name