formulae: avoid fetching just-built dependencies

Trying to fetch a just-built dependency will result in a `brew fetch`
failure because its bottle will not have been uploaded yet.

See Homebrew/homebrew-core#133144.

lib/tests/formulae.rb

@@ -124,10 +124,9 @@ def setup_formulae_deps_instances(formula, formula_name, args:)
  end
 
  info_header "Determining dependencies..."
- installed = Utils.safe_popen_read("brew", "list", "--formula").split("\n")
+ installed = Utils.safe_popen_read("brew", "list", "--formula", "--full-name").split("\n")
  dependencies =
- Utils.safe_popen_read("brew", "deps", "--include-build",
- "--include-test", formula_name)
+ Utils.safe_popen_read("brew", "deps", "--include-build", "--include-test", "--full-name", formula_name)
  .split("\n")
  installed_dependencies = installed & dependencies
  installed_dependencies.each do |name|