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: mutated_accounts_tests.rs
    path of file: ./repos/diem/language/move-vm/integration-tests/src/tests
    
    the code of the file until where you have to start completion: // Copyright (c) The Diem Core Contributors
// SPDX-License-Identifier: Apache-2.0

use crate::compiler::{as_module, compile_units};
use move_core_types::{
    account_address::AccountAddress,
    identifier::Identifier,
    language_storage::ModuleId,
    value::{serialize_values, MoveValue},
};
use move_vm_runtime::move_vm::MoveVM;
use move_vm_test_utils::InMemoryStorage;
use move_vm_types::gas_schedule::GasStatus;

const TEST_ADDR: AccountAddress = AccountAddress::new([42; AccountAddress::LENGTH]);

#[test]
fn mutated_accounts() {
    let code = r#"
        module {{ADDR}}::M {
            struct Foo has key { a: bool }
            public fun get(addr: address): bool acquires Foo {
                borrow_global<Foo>(addr).a
            }
            public fun flip(addr: address) acquires Foo {
                let f_ref = borrow_global_mut<Foo>(addr);
                f_ref.a = !f_ref.a;
            }
            public fun publish(addr: &signer) {
                move_to(addr, Foo { a: true} )
            }
        }
    "#;

    let code = code.replace("{{ADDR}}", &format!("0x{}", TEST_ADDR));
    let mut units = compile_units(&code).unwrap();
    let m = as_module(units.pop().unwrap());
    let mut blob = vec![];
    m.serialize(&mut blob).unwrap();

    let mut storage = InMemoryStorage::new();
    let module_id = ModuleId::new(TEST_ADDR, Identifier::new("M").unwrap());
    storage.publish_or_overwrite_module(module_id.clone(), blob);

    let vm = MoveVM::new(vec![]).unwrap();
    let mut sess = vm.new_session(&storage);

    let mut gas_status = GasStatus::new_unmetered();

    let publish = Identifier::new("publish").unwrap();
    let flip = Identifier::new("flip").unwrap();
    let get = Identifier::new("get").unwrap();

    let account1 = AccountAddress::random();

    sess.execute_function(
        &module_id,
        &publish,
        vec![],
        serialize_values(&vec![MoveValue::Signer(account1)]),
        &mut gas_status,
    )
    .unwrap();

    // The resource was published to "account1" and the sender's account
    // (TEST_ADDR) is assumed to be mutated as well (e.g., in a subsequent
    // transaction epilogue).
    assert_eq!(sess.num_mutated_accounts(&TEST_ADDR), 2);

    sess.execute_function(
        &module_id,
        &get,
        vec![],
        serialize_values(&vec![MoveValue::Address(account1)]),
        &mut gas_status,
    )
    .unwrap();

    assert_eq!(sess.num_mutated_accounts(&TEST_ADDR), 2);

    sess.execute_function(
        &module_id,
    
fn mutated_accounts() {
    let code = r#"
        module {{ADDR}}::M {
            struct Foo has key { a: bool }
            public fun get(addr: address): bool acquires Foo {
                borrow_global<Foo>(addr).a
            }
            public fun flip(addr: address) acquires Foo {
                let f_ref = borrow_global_mut<Foo>(addr);
                f_ref.a = !f_ref.a;
            }
            public fun publish(addr: &signer) {
                move_to(addr, Foo { a: true} )
            }
        }
    "#;

    let code = code.replace("{{ADDR}}", &format!("0x{}", TEST_ADDR));
    let mut units = compile_units(&code).unwrap();
    let m = as_module(units.pop().unwrap());
    let mut blob = vec![];
    m.serialize(&mut blob).unwrap();

    let mut storage = InMemoryStorage::new();
    let module_id = ModuleId::new(TEST_ADDR, Identifier::new("M").unwrap());
    storage.publish_or_overwrite_module(module_id.clone(), blob);

    let vm = MoveVM::new(vec![]).unwrap();
    let mut sess = vm.new_session(&storage);

    let mut gas_status = GasStatus::new_unmetered();

    let publish = Identifier::new("publish").unwrap();
    let flip = Identifier::new("flip").unwrap();
    let get = Identifier::new("get").unwrap();

    let account1 = AccountAddress::random();

    sess.execute_function(
        &module_id,
        &publish,
        vec![],
        serialize_values(&vec![MoveValue::Signer(account1)]),
        &mut gas_status,
    )
    .unwrap();

    // The resource was published to "account1" and the sender's account
    // (TEST_ADDR) is assumed to be mutated as well (e.g., in a subsequent
    // transaction epilogue).
    assert_eq!(sess.num_mutated_accounts(&TEST_ADDR), 2);

    sess.execute_function(
        &module_id,
        &get,
        vec![],
        serialize_values(&vec![MoveValue::Address(account1)]),
        &mut gas_status,
    )
    .unwrap();

    assert_eq!(sess.num_mutated_accounts(&TEST_ADDR), 2);

    sess.execute_function(
        &module_id,
        &flip,
        vec![],
        serialize_values(&vec![MoveValue::Address(account1)]),
        &mut gas_status,
    )
    .unwrap();
    assert_eq!(sess.num_mutated_accounts(&TEST_ADDR), 2);

    let (changes, _) = sess.finish().unwrap();
    storage.apply(changes).unwrap();

    let mut sess = vm.new_session(&storage);
    sess.execute_function(
        &module_id,
        &get,
        vec![],
        serialize_values(&vec![MoveValue::Address(account1)]),
        &mut gas_status,
    )
    .unwrap();

    // Only the sender's account (TEST_ADDR) should have been modified.
    assert_eq!(sess.num_mutated_accounts(&TEST_ADDR), 1);
}