fix test after syntax changes

test/cases/while_statement/big_while.tst

@@ -1,4 +1,4 @@
-while( n > 1)
+while_allgood( n > 1)
   tmp = a
   a = b
   b = tmp + b
@@ -6,8 +6,8 @@ while( n > 1)
   n = n - 1
 end
 -- -- --
-s(:while_statement,
-  s(:condition,
+s(:while_statement, :allgood,
+  s(:conditional,
     s(:operator_value, :>,
       s(:name, :n),
       s(:int, 1))),

test/cases/while_statement/while.tst

@@ -1,10 +1,10 @@
-while(1)
+while_false(1)
   tmp = a
   puts(b)
 end
 -- -- --
-s(:while_statement,
-  s(:condition,
+s(:while_statement, :false,
+  s(:conditional,
     s(:int, 1)),
   s(:statements,
     s(:assignment,

test/cases/while_statement/while_method.tst

@@ -1,10 +1,10 @@
-while(1)
+while_true(1)
   tmp = String.new()
   tmp.puts(i)
 end
 -- -- --
-s(:while_statement,
-  s(:condition,
+s(:while_statement, :true,
+  s(:conditional,
     s(:int, 1)),
   s(:statements,
     s(:assignment,