test/rubygems/test_gem_dependency_installer.rb: Avoid Dir.chdir + block
This caused a warning "conflicting chdir during another chdir block" during "make test-all".
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63658 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
test/rubygems/test_gem_dependency_installer.rb: Avoid Dir.chdir + block
This caused a warning "conflicting chdir during another chdir block"
during "make test-all".
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63658 b2dd03c8-39d4-4d8f-98ff-823fe69b080e