fixed platform not moving problem

apps/autocal/tests/test_locales_autocal.py

@@ -79,6 +79,16 @@ def test_the_default_preferences_file_matches_the_schema_shape():
         assert key in schema, f"preferences.default.json has an unknown key: {key}"
 
 
+def test_the_shipped_defaults_carry_the_controller_task_number():
+    """Re-initialisation names a task; if this key is missing every re-init is wrong."""
+    from orisys_autocal.motion import DEFAULT_BAS_TASK
+
+    shipped = json.loads(
+        (LOCALES.parent / "preferences.default.json").read_text(encoding="utf-8")
+    )
+    assert shipped["bas_task"] == DEFAULT_BAS_TASK == 4
+
+
 def _walk(node, prefix: str = ""):
     for key, value in node.items():
         path = f"{prefix}{key}"