#431

backend/spec/services/shared_resource_id_allocator_spec.rb

@@ -52,12 +52,15 @@ RSpec.describe SharedResourceIdAllocator do
       end
     end
 
-    it "rejects explicit IDs below the reserved #{ space } position" do
+    it "allows explicit overlapping Id.s in #{ space }" do
       first = resource(tables.first)
       first.save!
-      first.class.where(id: first.id).delete_all
-      expect { resource(tables.last, id: first.id).save! }
-          .to raise_error(ActiveRecord::RecordNotUnique)
+
+      second = resource(tables.last, id: first.id)
+      second.save!
+
+      expect(second.id).to eq(first.id)
+      expect(first.reload.id).to eq(first.id)
     end
 
     it "preserves historical #{ space } overlaps without repairing them" do