got rid of 'accept' dir in the tests

tests/run/titer5.nim

@@ -0,0 +1,16 @@
+discard """
+  file: "titer5.nim"
+  output: "abcxyz"
+"""
+# Test method call syntax for iterators:
+import strutils
+
+const lines = """abc  xyz"""
+
+for x in lines.split():
+  stdout.write(x)
+
+#OUT abcxyz
+
+
+