[Salesforce開発] Apex:テスト設定メソッドで作成したデータはテストメソッド単位でロールバックされる

@isTest
private class CreateAndExecuteTest {
	@testSetup
    static void setup() {
        //Create 2 test accounts
        List<Account> testAccts = new List<Account>();
        for(Integer i=0; i<2; i++) {
            testAccts.add(new Account (Name='MyTestAccount'+i, Phone='333-870'+i));
        }
        insert testAccts;
    }
    @isTest
    static void testMethod1() {
        Account acc = [SELECT Id, Phone FROM Account WHERE Name='MyTestAccount0'];
        acc.Phone='888-1515';
        update acc;
        Account acc2 =  [SELECT Id, Phone FROM Account WHERE Name='MyTestAccount1'];
        acc2.Phone='999-1515';
        update acc2;
        System.debug('1.acc.Phone=' + acc.Phone + ' acc2.Phone=' + acc2.Phone);
    }
    @isTest
    static void testMethod2() {
        Account acc = [SELECT Id, Phone FROM Account WHERE Name='MyTestAccount0'];
        Account acc2 = [SELECT Id, Phone FROM Account WHERE Name='MyTestAccount1'];
        acc2.Phone='888-2525';
        update acc2;
        System.debug('2.acc.Phone=' + acc.Phone + ' acc2.Phone=' + acc2.Phone);
    }  
    @isTest
    static void testMethod3() {
        Account acc0 = [SELECT Id, Phone From Account WHERE Name='MyTestAccount0'];
        Account acc1 = [SELECT Id, Phone From Account WHERE Name='MyTestAccount1'];
        System.debug('3.Account0.Phone=' + acc0.Phone + ' Account1.Phone=' + acc1.Phone);
    }
}