Properly suppressing output and testing progress bar

spec/samples_run_spec.rb

@@ -6,6 +6,8 @@ describe Squib do
 
   context "all samples run without error" do
     it "should execute with no errors" do
+      p = double("ProgressBar")
+      allow(ProgressBar).to receive(:create).and_return(Squib::DoNothing.new)
       samples = File.expand_path('../samples', File.dirname(__FILE__))
       Dir["#{samples}/**/*.rb"].each do |sample|
         Dir.chdir(samples) do #to save to _output

spec/spec_helper.rb

@@ -1,8 +1,6 @@
 require 'simplecov'
 require 'coveralls'
 
-ENV['IN_TEST']="true"
-
 SimpleCov.formatter = SimpleCov::Formatter::MultiFormatter[
   SimpleCov::Formatter::HTMLFormatter,
   Coveralls::SimpleCov::Formatter