Improve coverage of Version.Parser (#8607)
Improve coverage of Version.Parser (#8607)

Added assertions to exists test to cover lines 409, 412, and 511
joshprice/elixir,kimshrier/elixir,ggcampinho/elixir,kelvinst/elixir,pedrosnk/elixir,michalmuskala/elixir,ggcampinho/elixir,pedrosnk/elixir,lexmag/elixir,kelvinst/elixir,kimshrier/elixir,elixir-lang/elixir,lexmag/elixir