test/tools: cover workspace, file, run_command and PTY

tests/test_tools/conftest.py

@@ -0,0 +1,19 @@
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
+
+import pytest
+
+from plyngent.tools.workspace import clear_workspace_root, set_workspace_root
+
+if TYPE_CHECKING:
+    from collections.abc import Iterator
+    from pathlib import Path
+
+
+@pytest.fixture
+def workspace(tmp_path: Path) -> Iterator[Path]:
+    clear_workspace_root()
+    root = set_workspace_root(tmp_path)
+    yield root
+    clear_workspace_root()