try another Windows fix

test/tparser.nim

@@ -4,7 +4,7 @@
 #    See the file "copying.txt", included in this
 #    distribution, for details about the copyright.
 
-import os, terminal, strutils, streams, macros, unittest, sets
+import os, terminal, strutils, streams, macros, unittest, sets, osproc
 import testEventParser, commonTestUtils
 import ../yaml, ../yaml/data
 
@@ -21,12 +21,10 @@ proc parserTest(path: string, errorExpected : bool): bool =
     parser: YamlParser
   parser.init(tagLib)
   var
-    actualIn = newFileStream(path & "/in.yaml")
-    actual = parser.parse(actualIn)
-    expectedIn = newFileStream(path & "/test.event")
+    actual = parser.parse(execCmdEx("cat " & path & "/in.yaml")[0])
+    expectedIn = newStringStream(execCmdEx("cat " & path & "/test.event")[0])
     expected = parseEventStream(expectedIn, tagLib)
   defer:
-    actualIn.close()
     expectedIn.close()
   var i = 1
   try: