diff --git a/spec/requests/provider_prefixes_spec.rb b/spec/requests/provider_prefixes_spec.rb
index e77528a00..86ad8bf88 100644
--- a/spec/requests/provider_prefixes_spec.rb
+++ b/spec/requests/provider_prefixes_spec.rb
@@ -177,6 +177,25 @@
 
         expect(last_response.status).to eq(201)
         expect(json.dig("data", "id")).not_to be_nil
+
+        sleep 2
+
+        get "/prefixes?state=unassigned", nil, headers
+
+        expect(last_response.status).to eq(200)
+        expect(json.dig("meta", "total")).to eq(0)
+
+
+        delete "/provider-prefixes/#{provider_prefix.uid}", nil, headers
+
+        expect(last_response.status).to eq(204)
+
+        sleep 2
+
+        get "/prefixes?state=unassigned", nil, headers
+
+        expect(last_response.status).to eq(200)
+        expect(json.dig("meta", "total")).to eq(1)
       end
     end