remove function test from here and use setup

function definition is a statement, goes there

test/compiler/expressions/test_all.rb

@@ -1,4 +1,3 @@
 require_relative "test_basic"
 require_relative "test_call"
 require_relative "test_field_access"
-require_relative "test_function"

test/compiler/expressions/test_call.rb

@@ -6,48 +6,38 @@ module Virtual
 
     def setup
       Virtual.machine.boot
+      @root = :call_site
+      @output = Register::RegisterValue
     end
 
     def test_call_main_plain
-      @root = :call_site
       @string_input    = 'main()'
-      @output = Register::RegisterValue
       check
     end
 
     def test_call_main_int
-      @root = :call_site
       @string_input    =  'main(1)'
-      @output = Register::RegisterValue
       check
     end
 
-    def ttest_call_self_main
-      @root = :call_site
+    def test_call_self_main
       @string_input    =  'self.main()'
-      @output = Register::RegisterValue
       check
     end
 
     def test_call_main_string
-      @root = :call_site
       @string_input    = 'main("1")'
-      @output = Register::RegisterValue
       check
     end
 
     def test_call_main_op
       Virtual.machine.space.get_main.ensure_local(:bar , :Integer)
-      @root = :call_site
       @string_input    = 'main( bar )'
-      @output = Register::RegisterValue
       check
     end
 
     def test_call_string_put
-      @root = :call_site
       @string_input    = '"Hello Raisa, I am salama".putstring()'
-      @output = Register::RegisterValue
       check
     end
 

test/compiler/expressions/test_function.rb

@@ -1,27 +0,0 @@
-require_relative "compiler_helper"
-
-module Virtual
-  class TestFunctions < MiniTest::Test
-    include CompilerHelper
-
-    def setup
-      Virtual.machine.boot
-    end
-
-    #reset the compiler (other than other tests that need to fake their inside a method)
-    def set_main compiler
-      compiler.set_main(nil)
-    end
-
-    def test_puts
-      @root = :function_definition
-      @string_input    = <<HERE
-int puts(Word str)
-  main()
-end
-HERE
-      @output = AST::Node
-      check
-    end
-  end
-end