Refactor spec runners to be separate tests

spec/samples/run_samples_spec.rb

@@ -0,0 +1,17 @@
+require 'spec_helper'
+require 'squib'
+require 'pp'
+
+describe "Squib samples" do
+
+  Dir["#{samples_dir}/**/*.rb"].each do |sample|
+    it "executes #{sample} with no errors", slow: true do
+      allow(Squib.logger).to receive(:warn) {}
+      allow(ProgressBar).to receive(:create).and_return(Squib::DoNothing.new)
+      Dir.chdir(File.dirname(sample)) do
+        load sample
+      end
+    end
+  end
+
+end

spec/samples/samples_regression_spec.rb

@@ -3,25 +3,13 @@ require 'squib'
 require 'pp'
 
 describe "Squib samples" do
-  @SAMPLES_DIR      = "#{File.expand_path(File.dirname(__FILE__))}/../../samples/"
-  let(:samples_dir) { "#{File.expand_path(File.dirname(__FILE__))}/../../samples/" }
-
+  
   around(:each) do |example|
     Dir.chdir(samples_dir) do
       example.run
     end
   end
 
-  Dir["#{@SAMPLES_DIR}/**/*.rb"].each do |sample|
-    it "should execute #{sample} with no errors", slow: true do
-      allow(Squib.logger).to receive(:warn) {}
-      allow(ProgressBar).to receive(:create).and_return(Squib::DoNothing.new)
-      Dir.chdir(File.dirname(sample)) do
-        load sample
-      end
-    end
-  end
-
   # This test could use some explanation
   # Much of the development of Squib has been sample-driven. Every time I want
   # new syntax or feature, I write a sample, get it working, and then write