public function testClearInstallInfos()
{
$installInfo1 = new InstallInfo('vendor/package1', '/path/to/package1');
$installInfo2 = new InstallInfo('vendor/package2', '/path/to/package2');
$this->packageFile->addInstallInfo($installInfo1);
$this->packageFile->addInstallInfo($installInfo2);
$this->packageFile->clearInstallInfos();
$this->assertSame(array(), $this->packageFile->getInstallInfos());
}