fix test after syntax changes

test/cases/function_definition/function_big_while.tst

@@ -1,7 +1,7 @@
 int fibonaccit(int n)
   a = 0
   b = 1
-  while( n > 1 )
+  while_positive( n  )
     tmp = a
     a = b
     b = tmp + b
@@ -22,11 +22,9 @@ s(:statements,
       s(:assignment,
         s(:name, :b),
         s(:int, 1)),
-      s(:while_statement,
-        s(:condition,
-          s(:operator_value, :>,
-            s(:name, :n),
-            s(:int, 1))),
+      s(:while_statement, :positive,
+        s(:conditional,
+          s(:name, :n)),
         s(:statements,
           s(:assignment,
             s(:name, :tmp),

test/cases/function_definition/function_if.tst

@@ -12,7 +12,7 @@ s(:statements,
     s(:parameters,
       s(:parameter, :Integer, :n)),
     s(:statements,
-      s(:if_statement,
+      s(:if_statement, :plus,
         s(:condition,
           s(:int, 0)),
         s(:true_statements,

test/cases/function_definition/function_return_if.tst

@@ -12,9 +12,9 @@ s(:statements,
     s(:parameters,
       s(:parameter, :Integer, :n)),
     s(:statements,
-      s(:if_statement,
+      s(:if_statement, :positive,
         s(:condition,
-          s(:operator_value, :>,
+          s(:operator_value, :-,
             s(:name, :n),
             s(:int, 5))),
         s(:true_statements,

test/cases/function_definition/function_return_while.tst

@@ -1,5 +1,5 @@
 int retvar(int n )
-  while( n > 5)
+  while_positive( n - 5)
     n = n + 1
     return n
   end
@@ -11,9 +11,9 @@ s(:statements,
     s(:parameters,
       s(:parameter, :Integer, :n)),
     s(:statements,
-      s(:while_statement,
-        s(:condition,
-          s(:operator_value, :>,
+      s(:while_statement, :positive,
+        s(:conditional,
+          s(:operator_value, :-,
             s(:name, :n),
             s(:int, 5))),
         s(:statements,

test/cases/function_definition/function_while.tst

@@ -1,6 +1,6 @@
 Biggie fibonaccit(int n)
   a = 0
-  while(n)
+  while_ok(n)
     some = 43
     other = some * 4
   end
@@ -15,8 +15,8 @@ s(:statements,
       s(:assignment,
         s(:name, :a),
         s(:int, 0)),
-      s(:while_statement,
-        s(:condition,
+      s(:while_statement, :ok,
+        s(:conditional,
           s(:name, :n)),
         s(:statements,
           s(:assignment,