Tidy test deps

Phillip Davis created

- depend on Amolith's fork of Rantly. Fix has moved into upstream but
  requires jump to Ruby 3.3; should do eventually, but 3.3 isn't even
  packaged in our Guix commit.
- pin to same Rubocop version as sgx-jmp.
- pry-byebug

Change summary

Gemfile             | 7 ++++++-
test/test_helper.rb | 1 +
2 files changed, 7 insertions(+), 1 deletion(-)

Detailed changes

Gemfile 🔗

@@ -28,13 +28,18 @@ group(:development) do
 	gem "pry-reload"
 	gem "pry-rescue"
 	gem "pry-stack_explorer"
+	gem "pry-byebug"
 end
 
 group(:test) do
 	gem 'minitest'
 	gem 'rack-test'
 	gem 'rake'
-	gem 'rubocop'
+	gem "rantly", git: "https://github.com/Amolith/rantly.git", branch: "master"
+	# Pin to same version as sgx-jmp. Different versions
+	# are incompatible for identical `.rubocop.yml`
+	# and source code.
+	gem 'rubocop', '= 0.89.1'
 	gem 'simplecov', require: false
 	gem 'webmock'
 end

test/test_helper.rb 🔗

@@ -12,6 +12,7 @@ require "webmock/minitest"
 begin
 	require "pry-rescue/minitest"
 	require "pry-reload"
+	require "pry-byebug"
 
 	module Minitest
 		class Test