Below is my trigger:

trigger opportunityinsertupdate on Opportunity (before insert,before update) {
    if(checkRecursive.runOnce()) {
    Set<Id> accountIds = new Set<Id>();
        for(Opportunity currentOpportunity: Trigger.New) {
            accountIds.add(currentOpportunity.AccountId);
        }

        Map<Id, Account> accountMap = new Map<Id, Account>([Select Id, Super_Region__c from Account Where Id in:accountIds]);
        boolean flag=True;
 
            if(Trigger.isInsert){
                for(Opportunity opp: trigger.New){
                    system.debug('opp.name.===='+opp.name);
                    if(opp.name != null){
                        if(opp.name.startsWith('FO-')){
                            opp.CampaignId = '701U0000000QsAA';
                        }
                    }    
                 }
                for(opportunity o : trigger.new) {
                    if(accountMap.get(o.AccountId) != null) {
                        if(((o.Record_Type_Name__c == 'NC Power')||(o.Record_Type_Name__c == 'NC Oil & Gas')||(o.Record_Type_Name__c == 'Controls Field Service')) &&(o.stagename == 'Closed Won') && (o.FS_Included__c == false) && accountMap.get(o.AccountId).Super_Region__c == 'Asia/India') {
                            o.stagename = 'Sales Lead';
                            o.amount = 1;
                            o.CurrencyIsoCode = 'USD';
                            o.Target_ShipDate__c = o.CloseDate.addmonths(3);
                            flag = false;
                        }
                    }
                }
                  
                        opp.CampaignId = '701U0000000Qu1b';
                        && (opp.Super_Region__c == 'ASIA/INDIA')
                        system.debug('---------CampaignId-------'+opp.CampaignId); 
                  
                                                                
                  
    }   
  
     if(trigger.isUpdate && flag)  {
            for(opportunity o1:trigger.new) {
                if(accountMap.get(o1.AccountId) != null) {
                        if(((o1.Record_Type_Name__c == 'NC Power')||(o1.Record_Type_Name__c == 'NC Oil & Gas')||(o1.Record_Type_Name__c == 'Controls Field Service')) &&(o1.stagename == 'Closed Won') && (o1.FS_Included__c == false) && accountMap.get(o1.AccountId).Super_Region__c == 'Asia/India' && o1.Check__c == false) {
                            o1.stagename = 'Sales Lead';
                            o1.amount = 1;
                            o1.CurrencyIsoCode = 'USD';
                            o1.Target_ShipDate__c = o1.CloseDate.addmonths(3);
                            o1.Check__c = true;
                        }
                }
            }
        }
}
}


and below is my test calss written for my trigger:

@isTest(SeeAllData=true)
public class TestOppInsertUpdate {
    static testMethod Void OppInsert() {
        RecordType rtid = new RecordType();
        rtid = [select id,name from RecordType where name = 'NC Power' and SobjectType = 'Opportunity'];
        opportunity opp = [SELECT id,name,Record_Type_Name__c,FS_Included__c,account.Super_Region__c,
                            stagename, amount, CurrencyIsoCode, Target_ShipDate__c From Opportunity
                            where recordtypeId =: rtId.Id and account.super_region__c = 'Asia/India' 
                            and FS_Included__c = false];
        Opportunity o = new Opportunity();                    
        o.stagename = 'Sales Lead';
        o.amount = 1;
        o.CurrencyIsoCode = 'USD';
        o.Target_ShipDate__c = o.CloseDate.addmonths(3);
        flag = false;
        
        test.startTest();
        insert o;
        test.stopTest();
    }
    static testMethod Void Oppupdate() {
        RecordType rtid = new RecordType();
        rtid = [select id,name from RecordType where name = 'NC Power' and SobjectType = 'Opportunity'];
        opportunity opp = [SELECT id,name,Record_Type_Name__c,FS_Included__c,account.Super_Region__c,
                            stagename, amount, CurrencyIsoCode, Target_ShipDate__c From Opportunity
                            where recordtypeId =: rtId.Id and account.super_region__c = 'Asia/India' 
                            and FS_Included__c = false];
        Opportunity o = new Opportunity();                    
        o.stagename = 'Sales Lead';
        o.amount = 1;
        o.CurrencyIsoCode = 'USD';
        o.Target_ShipDate__c = o.CloseDate.addmonths(3);
        flag = false;
        check__C = true;
        
        test.startTest();
        update o;
        test.stopTest();
    }
}

I was not able to cover my trigger so can any one help me writting the test class for the above trigger.