fix tests for rspec3

configstruct.gemspec

@@ -19,7 +19,6 @@ Gem::Specification.new do |spec|
 
   spec.add_development_dependency "bundler", "~> 1.6"
   spec.add_development_dependency "rake"
-  spec.add_development_dependency 'rspec'
+  spec.add_development_dependency 'rspec', "~> 3.0"
   spec.add_development_dependency 'coveralls'
-  spec.add_development_dependency 'codeclimate-test-reporter'
 end

spec/lib/configstruct_spec.rb

@@ -23,7 +23,7 @@
       subject { ConfigStruct.new options }
       it 'then a config file is created calling' do
         expect(subject.basefile).to eq basefile
-        expect(File.exist? basefile).to be_true
+        expect(File.exist? basefile).to be_truthy
       end
     end
   end
@@ -47,7 +47,7 @@
         expect(output.string).to eq "-- #{str} --"
       end
       it 'redirect gets to StringIO object' do
-        input.stub(:gets).and_return(str)
+        allow(input).to receive(:gets).and_return(str)
         expect(subject.gets).to eq str
       end
     end

spec/spec_helper.rb

@@ -12,9 +12,6 @@
 else
   require 'coveralls'
   Coveralls.wear!
-
-  # require "codeclimate-test-reporter"
-  # CodeClimate::TestReporter.start
 end
 
 RSpec.configure do |config|