public function testGetSizeInMb()
{
$backup = $this->_getBackup(['size' => 0]);
$expected = '0';
$actual = $backup->getSizeInMb();
$this->assertEquals($expected, $actual);
$backup = $this->_getBackup(['size' => 200]);
$expected = '0.1MB';
$actual = $backup->getSizeInMb();
$this->assertEquals($expected, $actual);
$backup = $this->_getBackup(['size' => 4508876]);
$expected = '4.3MB';
$actual = $backup->getSizeInMb();
$this->assertEquals($expected, $actual);
}