Fix specs and rubocop

Author: ericproulx

lib/grape/middleware/base.rb

@@ -6,7 +6,7 @@ class Base
       include Helpers
       include Grape::DSL::Headers
 
-      attr_reader :app, :env, :options, :rack_request
+      attr_reader :app, :env, :options
 
       # @param [Rack Application] app The standard argument for a Rack middleware.
       # @param [Hash] options A hash of options, simply stored for use by subclasses.

lib/grape/middleware/formatter.rb

@@ -3,7 +3,6 @@
 module Grape
   module Middleware
     class Formatter < Base
-
       def default_options
         {
           default_format: :txt,

spec/grape/middleware/base_spec.rb

@@ -243,15 +243,15 @@ def before
 
     context 'when query params are conflicting' do
       it 'raises an ConflictingTypes error' do
-        expect { get '/?x[y]=1&x[y]z=2' } .to raise_error(Grape::Exceptions::ConflictingTypes)
+        expect { get '/?x[y]=1&x[y]z=2' }.to raise_error(Grape::Exceptions::ConflictingTypes)
       end
     end
 
     context 'when query params is over the specified limit' do
-      let(:query_params) { "foo#{"[a]" * Rack::Utils.param_depth_limit}=bar" }
+      let(:query_params) { "foo#{'[a]' * Rack::Utils.param_depth_limit}=bar" }
 
       it 'raises an ConflictingTypes error' do
-        expect { get "/?foo#{"[a]" * Rack::Utils.param_depth_limit}=bar" } .to raise_error(Grape::Exceptions::TooDeepParameters)
+        expect { get "/?foo#{'[a]' * Rack::Utils.param_depth_limit}=bar" }.to raise_error(Grape::Exceptions::TooDeepParameters)
       end
     end
   end