[rubygems/rubygems] Simplify new gem spec that simulates "no git available"

I don't know why it was written like that.

https://github.com/rubygems/rubygems/commit/ee83fddd30

1 files changed, 1 insertions, 4 deletions

diff --git a/spec/bundler/commands/newgem_spec.rb b/spec/bundler/commands/newgem_spec.rb
index 5ce269d2ec..40bc1c3ff4 100644
--- a/spec/bundler/commands/newgem_spec.rb
+++ b/spec/bundler/commands/newgem_spec.rb
@@ -503,10 +503,7 @@ RSpec.describe "bundle gem" do
   context "when git is not available" do
     # This spec cannot have `git` available in the test env
     before do
-      load_paths = [lib_dir, spec_dir]
-      load_path_str = "-I#{load_paths.join(File::PATH_SEPARATOR)}"
-
-      sys_exec "#{Gem.ruby} #{load_path_str} #{bindir.join("bundle")} gem #{gem_name}", env: { "PATH" => "" }
+      bundle "gem #{gem_name}", env: { "PATH" => "" }
     end
 
     it "creates the gem without the need for git" do