diff --git a/Gemfile b/Gemfile
index ab88171..01ff0e2 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,6 +6,8 @@ gem 'rails', '5.0.1'
 ruby '2.3.4'
 
 gem 'rake'
+gem 'rails-perftest'
+gem 'ruby-prof', '0.15.9'
 
 # Bundle edge Rails instead:
 # gem 'rails', git: 'https://github.com/rails/rails'
@@ -73,9 +75,7 @@ gem 'jquery-rails'
 gem 'powder'
 
 gem 'aruba'
-#gem 'minitest', '~> 4.0', :require=> "minitest/autorun"
 
-#gem 'minitest'
 
 # Deploy with Capistrano
 # gem 'capistrano'
@@ -98,3 +98,6 @@ gem 'therubyracer'
 
 #For Rails 4.2
 gem 'responders'
+
+# Locked at 5.10.1, see https://github.com/seattlerb/minitest/issues/689
+gem "minitest", "5.10.1"
diff --git a/Gemfile.lock b/Gemfile.lock
index 3f4a200..8700731 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -163,7 +163,7 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
     mini_portile2 (2.2.0)
-    minitest (5.10.2)
+    minitest (5.10.1)
     multi_json (1.12.1)
     multi_test (0.1.2)
     mysql2 (0.4.8)
@@ -210,6 +210,7 @@ GEM
       nokogiri (>= 1.6)
     rails-html-sanitizer (1.0.3)
       loofah (~> 2.0)
+    rails-perftest (0.0.7)
     railties (5.0.1)
       actionpack (= 5.0.1)
       activesupport (= 5.0.1)
@@ -246,6 +247,7 @@ GEM
       rspec-mocks (~> 3.6.0)
       rspec-support (~> 3.6.0)
     rspec-support (3.6.0)
+    ruby-prof (0.15.9)
     ruby_dep (1.5.0)
     sass (3.4.25)
     sass-rails (5.0.6)
@@ -318,6 +320,7 @@ DEPENDENCIES
   jquery-fileupload-rails
   jquery-rails
   launchy
+  minitest (= 5.10.1)
   mysql2
   poltergeist
   powder
@@ -325,10 +328,12 @@ DEPENDENCIES
   pry-rails
   rack-livereload
   rails (= 5.0.1)
+  rails-perftest
   rake
   rb-fsevent
   responders
   rspec-rails
+  ruby-prof (= 0.15.9)
   sass-rails
   simplecov
   sqlite3
@@ -343,4 +348,4 @@ RUBY VERSION
    ruby 2.3.4p301
 
 BUNDLED WITH
-   1.15.1
+   1.15.3
diff --git a/test/fixtures/benefits.yml b/test/fixtures/benefits.yml
index c63aac0..9cfe87b 100644
--- a/test/fixtures/benefits.yml
+++ b/test/fixtures/benefits.yml
@@ -4,8 +4,8 @@
 # model remove the '{}' from the fixture names and add the columns immediately
 # below each fixture, per the syntax in the comments below
 #
-one: {}
+#one: {}
 # column: value
 #
-two: {}
+#two: {}
 #  column: value