made tests green again

lib/pure/unittest.nim

@@ -154,6 +154,7 @@ template require*(conditions: stmt): stmt {.dirty.} =
     check conditions
 
 macro expect*(exp: stmt): stmt =
+  let exp = callsite()
   template expectBody(errorTypes, lineInfoLit: expr,
                       body: stmt): PNimrodNode {.dirty.} =
     try:

lib/pure/xmltree.nim

@@ -258,7 +258,7 @@ proc xmlConstructor(e: PNimrodNode): PNimrodNode {.compileTime.} =
   else:
     result = newCall("newXmlTree", toStrLit(a))
 
-macro `<>`*(x: expr): expr = 
+macro `<>`*(x: expr): expr {.immediate.} = 
   ## Constructor macro for XML. Example usage:
   ##
   ## .. code-block:: nimrod