public function testBrokenVirtualPages()
 {
     $obj = $this->objFromFixture('Page', 'content');
     $vp = new VirtualPage();
     $vp->CopyContentFromID = $obj->ID;
     $vp->syncLinkTracking();
     $this->assertFalse($vp->HasBrokenLink, 'Working virtual page is NOT marked as broken');
     $vp->CopyContentFromID = 12345678;
     $vp->syncLinkTracking();
     $this->assertTrue($vp->HasBrokenLink, 'Broken virtual page IS marked as such');
 }