DEVX-136: feat: add fix_pr_title module and update_pr API method

tests/unit/test_molecule_all.py

@@ -1,7 +1,7 @@
 from __future__ import annotations
 
 from pathlib import Path
-from unittest.mock import patch
+from unittest.mock import MagicMock, patch
 
 import pytest
 from click.testing import CliRunner
@@ -87,14 +87,16 @@ class TestRunPlatform:
 
 
 class TestMain:
-    def test_molecule_not_found(self, tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
+    @patch("devx.molecule.molecule_all._run_molecule")
+    def test_molecule_not_found(self, mock_run: MagicMock, tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
         monkeypatch.chdir(tmp_path)
         runner = CliRunner()
         result = runner.invoke(molecule_all.main, ["--bin", "nonexistent/bin"])
         assert result.exit_code != 0
         assert "molecule not found" in result.output
 
-    def test_role_dir_not_found(self, tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
+    @patch("devx.molecule.molecule_all._run_molecule")
+    def test_role_dir_not_found(self, mock_run: MagicMock, tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
         monkeypatch.chdir(tmp_path)
         bin_dir = tmp_path / ".venv" / "bin"
         bin_dir.mkdir(parents=True)
@@ -104,7 +106,8 @@ class TestMain:
         assert result.exit_code != 0
         assert "Role directory not found" in result.output
 
-    def test_role_dir_no_molecule(self, tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
+    @patch("devx.molecule.molecule_all._run_molecule")
+    def test_role_dir_no_molecule(self, mock_run: MagicMock, tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
         """Roles dir exists but no role has molecule/ — should error."""
         monkeypatch.chdir(tmp_path)
         bin_dir = tmp_path / ".venv" / "bin"