test: add tests for `slice` method in `dstructs/named-typed-tuple`#8057

kgryte merged 6 commits intostdlib-js:developstdlib-js/stdlib:developfrom

Gauravkaushik-1206:create-test-file-slice-methodGauravkaushik-1206/stdlib:create-test-file-slice-methodCopy head branch name to clipboard