Update rack from 1.5.2 to 1.5.5

Author: darren987469

.travis.yml

@@ -12,7 +12,7 @@ matrix:
     - rvm: 2.5.3
       gemfile: gemfiles/rack_edge.gemfile
     - rvm: 2.5.3
-      gemfile: gemfiles/rack_1.5.2.gemfile
+      gemfile: gemfiles/rack_1.5.5.gemfile
     - rvm: 2.5.3
       gemfile: gemfiles/rails_edge.gemfile
     - rvm: 2.5.3
@@ -32,15 +32,15 @@ matrix:
     - rvm: 2.4.5
       gemfile: gemfiles/rack_edge.gemfile
     - rvm: 2.4.5
-      gemfile: gemfiles/rack_1.5.2.gemfile
+      gemfile: gemfiles/rack_1.5.5.gemfile
     - rvm: 2.4.5
       gemfile: gemfiles/rails_5.gemfile
     - rvm: 2.3.8
       gemfile: Gemfile
     - rvm: 2.3.8
       gemfile: gemfiles/rack_edge.gemfile
     - rvm: 2.3.8
-      gemfile: gemfiles/rack_1.5.2.gemfile
+      gemfile: gemfiles/rack_1.5.5.gemfile
     - rvm: 2.3.8
       gemfile: gemfiles/rails_5.gemfile
     - rvm: 2.2.10

gemfiles/rack_1.5.2.gemfile renamed to gemfiles/rack_1.5.5.gemfile

@@ -2,7 +2,7 @@
 
 source 'https://rubygems.org'
 
-gem 'rack', '1.5.2'
+gem 'rack', '1.5.5'
 
 group :development, :test do
   gem 'bundler'

spec/grape/integration/rack_spec.rb

@@ -22,7 +22,7 @@
       unless RUBY_PLATFORM == 'java'
         major, minor, patch = Rack.release.split('.').map(&:to_i)
         patch ||= 0 # rack <= 1.5.2 does not specify patch version
-        pending 'Rack 1.5.3 or 1.6.1 required' unless major >= 2 || (major >= 1 && ((minor == 5 && patch >= 3) || (minor >= 6)))
+        pending 'Rack 1.5.5 or 1.6.1 required' unless major >= 2 || (major >= 1 && ((minor == 5 && patch >= 5) || (minor >= 6)))
       end
 
       expect(JSON.parse(app.call(env)[2].body.first)['params_keys']).to match_array('test')