diff --git a/src/parser/parser.nim b/src/parser/parser.nim
index 43b437e..a067660 100644
--- a/src/parser/parser.nim
+++ b/src/parser/parser.nim
@@ -368,4 +368,4 @@ when isMainModule:
     str("ABC"),
     newline
   ]
-  echo "ABC\n".testParser(newlineParserTest)
+  assert "ABC\n".testParser(newlineParserTest) == @['A', 'B', 'C', '\n']