move more tests from interpreter to mains

while now
all interpreter tests with only return tests move now

test/risc/interpreter/test_assign_local.rb

@@ -0,0 +1,46 @@
+require_relative "helper"
+
+module Risc
+  class InterpreterAssignLocal < MiniTest::Test
+    include Ticker
+
+    def setup
+      @string_input = as_main("a = 15 ; return a")
+      super
+    end
+
+    def test_chain
+      #show_main_ticks # get output of what is
+      check_main_chain [LoadConstant, RegToSlot, SlotToReg, RegToSlot, Branch, #5
+                 SlotToReg, SlotToReg, RegToSlot, SlotToReg, SlotToReg, #10
+                 FunctionReturn, Transfer, SlotToReg, SlotToReg, Transfer,
+                 Syscall, NilClass,] #20
+      assert_equal ::Integer , get_return.class
+      assert_equal 15 , get_return
+    end
+    def test_call_main
+      call_ins = ticks(main_at)
+      assert_equal FunctionCall , call_ins.class
+      assert  :main , call_ins.method.name
+    end
+    def test_load_15
+      assert_load 1 , Parfait::Integer , :r0
+      assert_equal 15 , @interpreter.get_register(@interpreter.instruction.register).value
+    end
+    def test_branch
+      assert_branch 5 , "return_label"
+    end
+    def test_return
+      ret = main_ticks(11)
+      assert_equal FunctionReturn ,  ret.class
+      link = @interpreter.get_register( ret.register )
+      assert_equal Parfait::ReturnAddress , link.class
+    end
+    def test_transfer
+      assert_transfer 12 , :r13 , :r14
+    end
+    def test_sys
+      assert_syscall 16 , :exit
+    end
+  end
+end