got rid of 'accept' dir in the tests

tests/run/toprprec.nim

@@ -0,0 +1,18 @@
+discard """
+  file: "toprprec.nim"
+  output: "done"
+"""
+# Test operator precedence: 
+
+assert 3+5*5-2 == 28- -26-28
+
+proc `^-` (x, y: int): int =  
+  # now right-associative!
+  result = x - y
+  
+assert 34 ^- 6 ^- 2 == 30
+assert 34 - 6 - 2 == 26
+echo "done"
+
+
+