/**
  * @covers  JInstaller::setUpgrade
  * @covers  JInstaller::isUpgrade
  */
 public function testIsAndSetUpgrade()
 {
     $this->object->setUpgrade(false);
     $this->assertThat($this->object->isUpgrade(), $this->equalTo(false), 'Get or Set Upgrade failed');
     $this->assertThat($this->object->setUpgrade(true), $this->equalTo(false), 'setUpgrade did not return the old value properly.');
     $this->assertThat($this->object->isUpgrade(), $this->equalTo(true), 'getUpgrade did not return the expected value.');
 }