block tests for if and while

bundle update too

test/risc/interpreter/blocks/test_while.rb

@@ -0,0 +1,19 @@
+require_relative "../helper"
+
+module Risc
+  class BlockWhile < MiniTest::Test
+    include Ticker
+    def setup
+      @string_input = block_main("a = tenner {|b| #{while_str} } ; return a" , tenner)
+      super
+    end
+    def while_str
+      "while( b > 5); b = b - 1 ;end;return b"
+    end
+    def test_chain
+      #show_main_ticks # get output of what is
+      run_all
+      assert_equal 5 , get_return , while_str
+    end
+  end
+end