Composer\Satis\PackageSelection\PackageSelection::setPackagesFilter PHP Method

    public function setPackagesFilter(array $packagesFilter = [])
    {
        $this->packagesFilter = $packagesFilter;
    }

 public function testPackageNotInFilter()
 {
     /*
      * json filename + filterPackages :
      *   package in json + not in filter => selected (to be merged as is)
      */
     $this->selection->setPackagesFilter(['othervendor/othername']);
     $this->assertNotEmpty($this->selection->load());
 }