updated tests to be executed

tests/stdlib/thashes.nim

@@ -1,5 +1,14 @@
-import unittest
-import hashes
+
+discard """
+output: '''
+[Suite] hashes
+
+[Suite] hashing
+
+'''
+"""
+
+import unittest, hashes
 
 suite "hashes":
   suite "hashing":

tests/stdlib/thttpcore.nim

@@ -1,3 +1,6 @@
+discard """
+output: "[Suite] httpcore"
+"""
 
 import unittest
 

tests/stdlib/tjsonexternproc.nim

@@ -1,5 +1,11 @@
+discard """
+output: '''
+{"data":[1]}
+'''
+"""
+
 # Test case for https://github.com/nim-lang/Nim/issues/6385
 
 import mjsonexternproc
 # import json
-foo(1)
+foo(1)

tests/stdlib/tjsontestsuite.nim

@@ -1,3 +1,7 @@
+discard """
+disabled: true
+"""
+
 ## JSON tests based on https://github.com/nst/JSONTestSuite
 
 import unittest,