phpmock\environment\SleepEnvironmentBuilder::addNamespace PHP Method

    public function addNamespace($namespace)
    {
        $this->namespaces[] = $namespace;
        return $this;
    }

 protected function setUp()
 {
     parent::setUp();
     $sleepBuilder = new SleepEnvironmentBuilder();
     $sleepBuilder->addNamespace(__NAMESPACE__);
     $sleepBuilder->addNamespace('malkusch\\lock\\util');
     $sleep = $sleepBuilder->build();
     $sleep->enable();
     $this->registerForTearDown($sleep);
 }