#434

backend/spec/requests/counts_table_spec.rb

@@ -266,4 +266,12 @@ RSpec.describe 'Counts table API', type: :request do
     expect(json).to eq('error' => 'private_condition')
   end
 
+  it 'reports the combined axis limit without replacing it with a generic 400' do
+    get '/counts/query', params: base.merge(mode: 'summary', sort: '',
+        rows: 'resource_id version_no event_type user created_at:month',
+        cols: 'title url thumbnail_base video_ms')
+    expect(response).to have_http_status(:bad_request)
+    expect(response.parsed_body).to eq('error' => 'too_many_axes', 'max_axes' => 8)
+  end
+
 end