snippets test doesn't work

See #49, release log:

• 0ecf0e5 by @rultor: Merge branch '__rultor'
• c8ebe6c by @yegor256: Merge pull request #51 from ob...
• aa65331 by @yegor256: #49: 0.28.7
• df7eb01 by @yegor256: #49: snippet test works
• d6f2a7d by @yegor256: #49: check for inconsistencies
• b1e07e5 by @yegor256: #49: copy fixed, extra tested
• b0192c0 by @yegor256: #49: uni.slice
• c8d21fd by @yegor256: #49: simplified
• 5037ffc by @yegor256: #49: xpath checking
• 0f41c66 by @yegor256: #49: to_graph
• 962a520 by @yegor256: #49: macros
• 66d31db by @yegor256: #49: new macro: copy
• c462265 by @yegor256: #49: new macros: add and bind
• e31d397 by @renovate[bot]: Update actions/checkout action...
• 86b03b9 by @yegor256: #49: tests clean
• cb95e8b by @yegor256: #49: ignore
• 24d9fae by @yegor256: #49: wip
• bd8cc72 by @yegor256: #49: better data printing
• 8e05653 by @yegor256: #49: common/mod.rs for tests
• c290e86 by @yegor256: #49: more into inspect
• and 64 more...

Released by Rultor 2.0-SNAPSHOT, see build log