Switch from assert length === 0 to Enum.empty? as Credo suggests
diff --git a/test/elixir/test/all_docs_test.exs b/test/elixir/test/all_docs_test.exs
index 5523565..935859b 100644
--- a/test/elixir/test/all_docs_test.exs
+++ b/test/elixir/test/all_docs_test.exs
@@ -420,7 +420,7 @@
 
     resp = Couch.get("/#{db_name}/_all_docs", query: %{:end_key => 0}).body
     rows = resp["rows"]
-    assert length(rows) === 0
+    assert Enum.empty?(rows)
   end
 
   defp get_ids(resp) do