updated tests to be executed

tests/typerel/ttuple1.nim

@@ -1,3 +1,9 @@
+discard """
+output: '''
+M=1000, D=500, C=100, L=50, X=10, V=5, I=1
+'''
+"""
+
 const romanNumbers = [
     ("M", 1000), ("D", 500), ("C", 100),
     ("L", 50), ("X", 10), ("V", 5), ("I", 1) ]
@@ -12,5 +18,3 @@ for key, val in items(romanNumbers):
 proc PrintBiTuple(t: tuple[k: string, v: int]): int =
   stdout.write(t.k & "=" & $t.v & ", ")
   return 0
-
-