Rakefile in rbs-1.1.1 vs Rakefile in rbs-1.2.0

@@ -1,8 +1,10 @@
 require "bundler/gem_tasks"
 require "rake/testtask"
 require "rbconfig"
 
+$LOAD_PATH << File.join(__dir__, "test")
+
 ruby = ENV["RUBY"] || RbConfig.ruby
 racc = ENV.fetch("RACC", "racc")
 rbs = File.join(__dir__, "exe/rbs")
 bin = File.join(__dir__, "bin")