Result for t command

[JackGruber]

Add result for t (Test integrity of archive) command.

{
    name: 'C:\\temp\\test.7z',
    type: '7z',
    physicalSize: '206',
    headersSize: '190',
    method: 'LZMA2:12 7zAES',
    solid: '-',
    blocks: '1'
}

[onikienko]

Hi @JackGruber,

Thank you for your contribution. Possible will be better to have a separate test method instead of using cmd. What do you think?