Fix NPTest.pm not asking for unconfigured variables

It appeats STDERR isn't a tty anymore during tests, but since we type
from tty to STDIN it should be bound to our tty (and works for me).

1 files changed, 1 insertions, 1 deletions

diff --git a/NPTest.pm b/NPTest.pm
index ebc2602c..b00a7086 100644
--- a/NPTest.pm
+++ b/NPTest.pm
@@ -347,7 +347,7 @@ sub getTestParameter
   }
 
   # Set "none" if no terminal attached (eg, tinderbox build servers when new variables set)
-  return "" unless (-t STDERR);
+  return "" unless (-t STDIN);
 
   my $userResponse = "";