Mycoola

@isTest
public class TaskUtilityTest
{
    @isTest static void testGetTaskPriority()
    {
        String priority=TaskUtility.getTaskPriority('AU');
        System.assertEquals('Normal', priority);
    }
    @isTest static void testTaskHighPriority()
    {

Mycoola

public class TaskUtility
{
    public static String getTaskPriority(String leadCountry)
    {
        if(String.isBlank(leadCountry)||leadCountry.length()>2)
        {
            return null;
            
        }
        String taskPriority;