The test case SchemaBuilderTest is not make sense. It is better to redesign it for testing.

Today the top-level YSQL statement metrics at the TServer level are categorized as:

For example:
http://yb-tserver:13000/metrics

See output below. It'll be good to break out from the OtherStmts category, separate metrics for Commit and Prepare operations.

  {
        "type": "server",
        "id": "yb.ysqlserver",
        "metrics": [
            {
                "name": "han