DEVX-60: feat: add create-task, create-pr, pre-push-check tools and devx.mak fragment

tests/unit/test_start_docker.py

@@ -69,6 +69,22 @@ class TestDiagnoseSocket:
         _diagnose_socket()
         mock_exists.assert_called_with(DOCKER_SOCK)
 
+    @patch("devx.molecule.start_docker.os.path.exists", return_value=True)
+    @patch("devx.molecule.start_docker.os.stat")
+    @patch("devx.molecule.start_docker.subprocess.run")
+    def test_docker_info_no_matching_lines(
+        self, mock_run: MagicMock, mock_stat: MagicMock, mock_exists: MagicMock
+    ) -> None:
+        """docker info succeeds but stdout has no Server Version/Storage Driver/Root Dir lines."""
+        mock_stat.return_value = MagicMock(st_mode=0o660, st_uid=0, st_gid=0)
+        mock_run.side_effect = [
+            MagicMock(stdout="/dev/sda1 /var/lib/docker ext4\n", returncode=0, text=""),
+            MagicMock(stdout="default\n", returncode=0, text=""),
+            MagicMock(stdout="Containers: 0\nImages: 0\nKernel: 6.1\n", returncode=0, text=""),
+        ]
+        _diagnose_socket()
+        mock_exists.assert_called_with(DOCKER_SOCK)
+
 
 class TestStartDockerDaemon:
     @patch("devx.molecule.start_docker._diagnose_socket")