popsu_migrate: d7_allpublicfiles ok

web/modules/custom/popsu_migrate/config/install/migrate_plus.migration.d7_allpublicfiles.yml

@@ -2,7 +2,7 @@
 # migration as an optional dependency.
 id: d7_allpublicfiles
 label: Public files
-migration_group: d7_popsu
+migration_group: popsu
 audit: true
 migration_tags:
   - Drupal 7
@@ -19,7 +19,7 @@ source:
     # represents the fully qualified path relative to which URIs in the files
     # table are specified, and must end with a /. See source_full_path
     # configuration in this migration's process pipeline as an example.
-    source_base_path: '../../../d7'
+    source_base_path: '../../d7'
 process:
   # If you are using this file to build a custom migration consider removing
   # the fid field to allow incremental migrations.

web/modules/custom/popsu_migrate/config/install/migrate_plus.migration_group.d7_popsu.yml

@@ -1,10 +1,10 @@
-id: d7_popsu
-label: D7 Popsu
+id: popsu
+label: Popsu
 description: Drupal 7 popsu content migration to Drupal 9.
 source_type: Drupal 7
 shared_configuration:
   source:
-    key: d7
+    key: popsu_d7
 dependencies:
   enforced:
     module: