fixed tests (namespacing) and finally created a test_all

test/test_all.rb

@@ -0,0 +1,5 @@
+require_relative "test_crystal"
+require_relative "test_nodes"
+require_relative "test_parser"
+require_relative "test_small_program"
+require_relative "test_transform"

test/test_nodes.rb

@@ -7,8 +7,8 @@ require_relative "helper"
 class NodesCase < MiniTest::Test
 
   def setup
-    @parser    = Vm::Parser.new
-    @transform = Vm::Transform.new
+    @parser    = Parser::Parser.new
+    @transform = Parser::Transform.new
   end
   
   def parse string

test/test_parser.rb

@@ -5,7 +5,7 @@ include Vm
 
 describe Parser do
   before do
-    @parser = Vm::Parser.new
+    @parser = Parser::Parser.new
   end
 
   it 'reads a number' do

test/test_transform.rb

@@ -1,12 +1,11 @@
 require_relative 'helper'
-require 'vm/transform'
 
 include Vm
 
 class TransformTest <  MiniTest::Test
 
   def setup
-    @transform = Vm::Transform.new
+    @transform = Parser::Transform.new
   end
 
   def check_equals