You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: discard_bench_test.go
    path of file: ./repos/cockroach/pkg/bench/rttanalysis
    
    the code of the file until where you have to start completion: // Copyright 2020 The Cockroach Authors.
//
// Use of this software is governed by the Business Source License
// included in the file licenses/BSL.txt.
//
// As of the Change Date specified in that file
    
func init() {
	reg.Register("Discard", []RoundTripBenchTestCase{
		{
			Name: "DISCARD ALL, no tables",
			Setup: `DROP DATABASE IF EXISTS db CASCADE; 
CREATE DATABASE db;`,
			Stmt: "DISCARD ALL",
		},
		{
			Name: "DISCARD ALL, 1 tables in 1 db",
			Setup: `
SET experimental_enable_temp_tables = true;
DROP DATABASE IF EXISTS db CASCADE; 
CREATE DATABASE db; 
USE db; 
CREATE TEMPORARY TABLE foo(i int);
`,
			Stmt: "DISCARD ALL",
		},
		{
			Name: "DISCARD ALL, 2 tables in 2 dbs",
			Setup: `
SET experimental_enable_temp_tables = true;
DROP DATABASE IF EXISTS db CASCADE; 
CREATE DATABASE db; 
USE db; 
CREATE TEMPORARY TABLE foo(i int);
CREATE TEMPORARY TABLE bar(i int);
DROP DATABASE IF EXISTS db2 CASCADE; 
CREATE DATABASE db2; 
USE db2; 
CREATE TEMPORARY TABLE foo(i int);
CREATE TEMPORARY TABLE bar(i int);
`,
			Stmt: "DISCARD ALL",
		},
	})
}