minitest4.gemfile in m-1.6.0

- old
+ new

@@ -1,8 +1,10 @@
 # This file was generated by Appraisal
 
 source "https://rubygems.org"
 
-gem "coveralls", :require => false, :group => :coverage
-gem "minitest", "4.7.5"
+gem "coveralls", require: false
+gem "benchmark-ips"
+gem "allocation_stats"
+gem "minitest", "~> 4"
 
-gemspec :path => "../"
+gemspec path: "../"