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: drop_index.rs
    path of file: ./repos/risingwave/src/frontend/src/handler
    
    the code of the file until where you have to start completion: // Copyright 2024 RisingWave Labs
//
// Licensed under the Apache License, Version 2.0 (the "License");
/
    
    async fn test_drop_index_handler() {
        let sql_create_table = "create table t (v1 smallint);";
        let sql_create_index = "create index idx on t(v1);";
        let sql_drop_index = "drop index idx;";
        let frontend = LocalFrontend::new(Default::default()).await;
        frontend.run_sql(sql_create_table).await.unwrap();
        frontend.run_sql(sql_create_index).await.unwrap();
        frontend.run_sql(sql_drop_index).await.unwrap();

        let session = frontend.session_ref();
        let catalog_reader = session.env().catalog_reader().read_guard();
        let schema_path = SchemaPath::Name(DEFAULT_SCHEMA_NAME);

        let table = catalog_reader.get_table_by_name(DEFAULT_DATABASE_NAME, schema_path, "idx");
        assert!(table.is_err());
    }