Hi! Can someone help me with the test class for the following controller class
public with sharing class VFC92_BillingAddListController {
    
    public string id,Account;
    public list<Account_Billing_Address__c> SelectedAccount { get; set; }
    public Account CurrentAccount {get; set;}
    public String AccountName {get; set;}
    public Account_Billing_Address__c Address;
    public TR1__Closing_Report__c cr = new TR1__Closing_Report__c();
    public Id AccountId{get;set;}
    
    public VFC92_BillingAddListController() 
    {
        Account = ApexPages.currentPage().getParameters().get('Account');
        CurrentAccount = [Select Headquarters_Flag__c,ParentId from Account where Id =: Account];
        
        if(CurrentAccount.Headquarters_Flag__c)
        {
            SelectedAccount = [SELECT Id,Name FROM Account_Billing_Address__c 
                               where Status__c = 'Active' AND Account__c =: Account];
            AccountId = Account;
        }
        else
        {
            SelectedAccount = [SELECT Id,Name FROM Account_Billing_Address__c 
                               where Status__c = 'Active' AND Account__c =: CurrentAccount.ParentId];  
            AccountId = CurrentAccount.ParentId;
        }
        id = ApexPages.currentPage().getParameters().get('id');
    }
    
    
    public PageReference cancel() 
    {
        return new PageReference('/' + id).setRedirect(true);
    }
    
    public PageReference create() 
    { 
        PageReference pr = new PageReference('/apex/VFP93_CreateNewBillingAddress?closingreport='+id+'&accountid='+AccountId);
        return pr;
    }
    
    public PageReference save()
    { 
        return new PageReference('/' + id).setRedirect(true);
    }
    
    public PageReference elect() 
    {
        Address = [Select Billing_City__c,Billing_Street__c,Billing_State_Province__c,Billing_Zip_Postal_Code__c
                   from Account_Billing_Address__c 
                   where name =:AccountName AND Account__c =: AccountId ];
        cr.Id = id;
        cr.TR1__Billing_City__c = Address.Billing_City__c;
        cr.TR1__Billing_State__c = Address.Billing_State_Province__c;
        cr.TR1__Billing_Street__c = Address.Billing_Street__c;
        cr.TR1__Billing_Zip_Code__c = Address.Billing_Zip_Postal_Code__c;  
        update cr;
        return new PageReference('/' + id).setRedirect(true);
    } 
    
    
}

I have the following method which opens a new record page from a VF page. "Account" is a lookup field in the record page which has to be populated from the TR1__Account__c field in the Closing Report object. How do I achieve this? Here is the method I wrote.
public PageReference create() {
        id = ApexPages.currentPage().getParameters().get('id');
           cr = [Select TR1__Account__c from TR1__Closing_Report__c where Id =: id];
        accountId = cr.TR1__Account__c;
        PageReference pageRef = new PageReference('https://foiberia--devv11.cs88.my.salesforce.com/a2w/e?retURL=%2Fa2w%2Fo');
        pageRef.getParameters().put('Account',String.valueOf(accountId));
        return pageRef.setRedirect(true);
    }

I have a field in a custom object named Closing Report which opens up a VF page with a list of addresses contained in another custom object. Now I want as soon as any address is selected, the address fields of Closing Report to be auto populated. How to achieve this? Please help me
with the class 

Following is the class.Can someone help me with the Test class for the same

global class AP88_DailyBatchesReportScheduler implements Schedulable{
    
    global void execute(SchedulableContext sc){
        Messaging.SingleEmailMessage email = Utils_Methods_Batch.generateBatchReport(null);
        email.setToAddresses((
            (String)Integration_Settings__c.getInstance()
            .get('Support_team_emails__c')).split(';'));
        Messaging.sendEmail(new List<Messaging.Email> {email});      
    }
}

I have the following method which opens a new record page from a VF page. "Account" is a lookup field in the record page which has to be populated from the TR1__Account__c field in the Closing Report object. How do I achieve this? Here is the method I wrote.
public PageReference create() {
        id = ApexPages.currentPage().getParameters().get('id');
           cr = [Select TR1__Account__c from TR1__Closing_Report__c where Id =: id];
        accountId = cr.TR1__Account__c;
        PageReference pageRef = new PageReference('https://foiberia--devv11.cs88.my.salesforce.com/a2w/e?retURL=%2Fa2w%2Fo');
        pageRef.getParameters().put('Account',String.valueOf(accountId));
        return pageRef.setRedirect(true);
    }