Tests: Update bake tests for new selection requirements

Ref #137389

Pull Request: https://projects.blender.org/blender/blender/pulls/145502

source/blender/editors/object/object_bake_api.cc

@@ -566,7 +566,8 @@ static bool bake_object_check(const Scene *scene,
         if (mat != nullptr) {
           BKE_reportf(reports,
                       RPT_INFO,
-                      "No active and selected image texture node found in material \"%s\" (%d) for object \"%s\"",
+                      "No active and selected image texture node found in material \"%s\" (%d) "
+                      "for object \"%s\"",
                       mat->id.name + 2,
                       i,
                       ob->id.name + 2);

tests/files/render/util/render_bake.py

@@ -10,6 +10,13 @@ def bake(context):
     cscene = scene.cycles
     image = bpy.data.images["bake_result"]
 
+    # Make sure active texture node is selected as well, new requirement in 5.0.
+    for material in bpy.data.materials:
+        nodetree = material.node_tree
+        if nodetree:
+            for node in nodetree.nodes:
+                node.select = node.show_texture
+
     if scene.render.bake.target == 'VERTEX_COLORS':
         # Bake to the vertex group first, then bake to a image
         #