diff --git a/test/mains/test_new.rb b/test/mains/test_new.rb
new file mode 100644
index 00000000..a6361af6
--- /dev/null
+++ b/test/mains/test_new.rb
@@ -0,0 +1,17 @@
+require_relative 'helper'
+
+module Mains
+  class TestNew < MiniTest::Test
+    include Risc::Ticker
+
+    def setup
+      @string_input = as_main("a = 98 ; while(a>0) ; a = a - 1 ; end ; return a")
+      super
+    end
+    def test_chain # max 98 iterations on 300 integers
+      run_all
+      assert_equal 0 , get_return , " "
+    end
+
+  end
+end
diff --git a/test/risc/builtin/test_int_math.rb b/test/risc/builtin/test_int_math.rb
index 30ab9137..fe9fd893 100644
--- a/test/risc/builtin/test_int_math.rb
+++ b/test/risc/builtin/test_int_math.rb
@@ -14,7 +14,7 @@ module Risc
       end
       def test_minus_neg
         run_main_return "5 - 15"
-        assert_equal -10 , get_return
+        assert_equal( -10 , get_return)
       end
       def test_rshift
         run_main_return "#{2**8} >> 3"