Clean up specs

spec/spec_helper.rb

@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 require "pathname"
+require "warning"
 SPEC_ROOT = Pathname(__dir__).realpath.freeze
 
 ENV["HANAMI_ENV"] ||= "test"
@@ -10,3 +11,7 @@ require "timecop"
 
 require_relative "support/rspec"
 require_relative "support/feature_loader"
+
+Gem.path.each do |path|
+  Warning.ignore(//, path)
+end