115     private $inIsolation = false;  variable in PHPUnit_Framework_TestCase
773             $this->inIsolation !== true &&
899             if ($this->inIsolation) {
960                 if ($this->inIsolation) {
1283      * @param bool $inIsolation
1287     public function setInIsolation($inIsolation)  argument
1289         if (is_bool($inIsolation)) {
1290             $this->inIsolation = $inIsolation;
1301         return $this->inIsolation;
2025         if (!empty($this->dependencies) && !$this->inIsolation) {
2241             $this->inIsolation ||