Only use the whitelist when it's set, part 2

Author: dvdoug

src/Driver/PcovDriver.php

@@ -36,7 +36,7 @@ public function stop(): RawCodeCoverageData
     {
         \pcov\stop();
 
-        $collect = \pcov\collect(\pcov\inclusive, $this->filter->getWhitelist());
+        $collect = \pcov\collect(\pcov\inclusive, $this->filter->hasWhitelist() ? $this->filter->getWhitelist() : \pcov\waiting());
 
         \pcov\clear();