[Repo Assist] test: add Seq module coverage for 7 untested functions; fix pending Seq.tail test#244

gdziadkiewicz merged 6 commits intomasterfsprojects/FSharpx.Collections:masterfrom

repo-assist/test-seq-coverage-2026-03-12-3b7073999ed37882fsprojects/FSharpx.Collections:repo-assist/test-seq-coverage-2026-03-12-3b7073999ed37882Copy head branch name to clipboard