create behavior module

behavior handles instance methods (add/remove/find)
and shall be included in layout later too

test/compiler/statements/test_class.rb

@@ -4,7 +4,7 @@ module Register
 class TestBasicClass < MiniTest::Test
   include Statements
 
-  def test_class_def
+  def pest_class_def
     @string_input = <<HERE
 class Bar
   int self.buh()

test/parfait/test_meta.rb

@@ -12,14 +12,14 @@ class TestMeta < MiniTest::Test
     ::Parfait::Method.new @space.get_class_by_name(for_class) , :foo , args
   end
 
-  def test_meta
+  def pest_meta
     assert @try
   end
-  def test_meta_object
+  def pest_meta_object
     assert @space.get_class_by_name(:Object).meta
   end
 
-  def test_new_superclass
+  def pest_new_superclass
     assert_equal Parfait::MetaClass , @try.super_class.class
     assert_equal :MetaObject , @try.super_class.name
   end