Hi. I'm not using any for loop but getting System.LimitException: Too many SOQL queries: 101

The error is recognized in insert(testTask)

Sorry I'm not a good coder. Any suggestions would be appreciated. Thank you in advance.

@isTest
public class updateSCBonT4Test {
         static testMethod void testupdateSCBonT4(){
             Account testAccount = new Account(name='test account');
             insert(testAccount);
             Stem_Cell_Bank__c s = new Stem_Cell_Bank__c();
             s.name = 'Test';
//             system.debug('value is = ' + testAccount.Id);
             s.account__c = testAccount.Id;
             test.startTest(); 
             insert(s); 
             LIST<Stem_Cell_Bank__c> a = [SELECT Id, Stage__c FROM Stem_Cell_Bank__c WHERE Name = 'Test'];
             Task testTask = new Task(Subject

 = 'Collect Enrollment Information', whatId = a[0].ID); 
             insert(testTask); 
             Stem_Cell_Bank__c updatedStem_Cell_Bank = [SELECT stage__c FROM Stem_Cell_Bank__c WHERE name = 'Test'];
             system.AssertEquals('Collect Enrollment Information',updatedStem_Cell_Bank.stage__c);
             testTask.whatId = s.Id;
             testTask.Status='Completed';
             update(testTask);

             Task testTask1 = new Task(Subject = 'Process Payment', whatId = a[0].ID); 
             insert(testTask1); 
             Stem_Cell_Bank__c updatedStem_Cell_Bank1 = [SELECT stage__c FROM Stem_Cell_Bank__c WHERE name = 'Test'];
             system.AssertEquals('Process Payment',updatedStem_Cell_Bank1.stage__c); 
             testTask1.whatId = s.Id;
             testTask1.Status='Completed';
             update(testTask1);

             Task testTask2 = new Task(Subject = 'Order Blood Test', whatId = a[0].ID); 
             insert(testTask2); 
             Stem_Cell_Bank__c updatedStem_Cell_Bank2 = [SELECT stage__c FROM Stem_Cell_Bank__c WHERE name = 'Test'];
             system.AssertEquals('Order Blood Test',updatedStem_Cell_Bank2.stage__c); 
             testTask2.whatId = s.Id;
             testTask2.Status='Completed';
             update(testTask2);

             Task testTask3 = new Task(Subject = 'Schedule Fat Extraction', whatId = a[0].ID); 
             insert(testTask3); 
             Stem_Cell_Bank__c updatedStem_Cell_Bank3 = [SELECT stage__c FROM Stem_Cell_Bank__c WHERE name = 'Test'];
             system.AssertEquals('Schedule Fat Extraction',updatedStem_Cell_Bank3.stage__c); 
             testTask3.whatId = s.Id;
             testTask3.Status='Completed';
             update(testTask3);
             
             Stem_Cell_Bank__c checkupdate = [SELECT stage__c, id FROM Stem_Cell_Bank__c WHERE name='Test'];
             System.debug(checkupdate.Id);
             System.debug(checkupdate.Stage__c);             
             system.AssertEquals('Review Eligibility Test',checkupdate.stage__c); 

             test.stopTest();
        }
}