gistfile1.as

// creating manually
package 
{
    public class ManualMockolates 
    {
        public var thing:Thing;
    
        [Before(async, timeout=5000)]
        public function prepareMockolates():void
        {
            Async.proceedOnEvent(this,
                prepare(Thing),
                Event.COMPLETE);
        }
        
        [Test]
        public function useThing():void 
        {
            // you create a thing use nice() or strict()
            thing = nice(Thing);
        }
    }
}

// using flexunit & mockolate rule
package 
{
    public class UsingMockolateRule 
    {
        [Rule]
        public var mocks:MockolateRule = new MockolateRule();
        
        [Mock]
        public var thing:
        
        [Test]
        public function useThing():void 
        {
            // thing has been created for you, no need to call nice() or strict()
        }
    }
}