refactor: Update 2d meshing test and doc. (#3965)

In the 2d meshing test and doc, the attributes under advanced options
are accessed before setting the advanced options as True. This was
showing up as an error message. This is corrected now.

---------

Co-authored-by: pyansys-ci-bot <[email protected]>

Author: prmukherj

doc/changelog.d/3965.maintenance.md

@@ -0,0 +1 @@
+Update 2d meshing test and doc.

doc/source/user_guide/meshing/new_meshing_workflows.rst

@@ -438,9 +438,11 @@ Generate surface mesh
 
 .. code:: python
 
+    # NOTE: Setting `show_advanced_options = True` is required to configure advanced preferences.
+    # This dependency may be removed in a future release as the API evolves.
+    two_dim_mesh.generate_initial_surface_mesh.surface_2d_preferences.show_advanced_options = True
     two_dim_mesh.generate_initial_surface_mesh.surface_2d_preferences.merge_edge_zones_based_on_labels = "no"
     two_dim_mesh.generate_initial_surface_mesh.surface_2d_preferences.merge_face_zones_based_on_labels = "no"
-    two_dim_mesh.generate_initial_surface_mesh.surface_2d_preferences.show_advanced_options = True
     two_dim_mesh.generate_initial_surface_mesh()
 
     two_dim_mesh.add_2d_boundary_layers_child_1.revert()
@@ -452,9 +454,11 @@ Generate surface mesh
     two_dim_mesh.add_2d_boundary_layers_child_1()
 
 
+    # NOTE: Setting `show_advanced_options = True` is required to configure advanced preferences.
+    # This dependency may be removed in a future release as the API evolves.
+    two_dim_mesh.generate_initial_surface_mesh.surface_2d_preferences.show_advanced_options = True
     two_dim_mesh.generate_initial_surface_mesh.surface_2d_preferences.merge_edge_zones_based_on_labels = "no"
     two_dim_mesh.generate_initial_surface_mesh.surface_2d_preferences.merge_face_zones_based_on_labels = "no"
-    two_dim_mesh.generate_initial_surface_mesh.surface_2d_preferences.show_advanced_options = True
     two_dim_mesh.generate_initial_surface_mesh()
 
 Switch to solution mode

tests/test_new_meshing_workflow.py

@@ -407,15 +407,17 @@ def test_new_2d_meshing_workflow(new_meshing_session_wo_exit):
     two_dim_mesh.add_2d_boundary_layers.offset_method_type = "aspect-ratio"
     two_dim_mesh.add_2d_boundary_layers.add_child_and_update(defer_update=False)
 
+    # NOTE: Setting `show_advanced_options = True` is required to configure advanced preferences.
+    # This dependency may be removed in a future release as the API evolves.
+    two_dim_mesh.generate_initial_surface_mesh.surface_2d_preferences.show_advanced_options = (
+        True
+    )
     two_dim_mesh.generate_initial_surface_mesh.surface_2d_preferences.merge_edge_zones_based_on_labels = (
         "no"
     )
     two_dim_mesh.generate_initial_surface_mesh.surface_2d_preferences.merge_face_zones_based_on_labels = (
         "no"
     )
-    two_dim_mesh.generate_initial_surface_mesh.surface_2d_preferences.show_advanced_options = (
-        True
-    )
     two_dim_mesh.generate_initial_surface_mesh()
 
     two_dim_mesh.add_2d_boundary_layers_child_1.revert()
@@ -426,15 +428,17 @@ def test_new_2d_meshing_workflow(new_meshing_session_wo_exit):
     two_dim_mesh.add_2d_boundary_layers_child_1.offset_method_type = "uniform"
     two_dim_mesh.add_2d_boundary_layers_child_1()
 
+    # NOTE: Setting `show_advanced_options = True` is required to configure advanced preferences.
+    # This dependency may be removed in a future release as the API evolves.
+    two_dim_mesh.generate_initial_surface_mesh.surface_2d_preferences.show_advanced_options = (
+        True
+    )
     two_dim_mesh.generate_initial_surface_mesh.surface_2d_preferences.merge_edge_zones_based_on_labels = (
         "no"
     )
     two_dim_mesh.generate_initial_surface_mesh.surface_2d_preferences.merge_face_zones_based_on_labels = (
         "no"
     )
-    two_dim_mesh.generate_initial_surface_mesh.surface_2d_preferences.show_advanced_options = (
-        True
-    )
     two_dim_mesh.generate_initial_surface_mesh()
 
     # Switch to solution mode