From 248f70510e216190de628c7fe2152364c83802d4 Mon Sep 17 00:00:00 2001
From: Paul Smith <psmith@gnu.org>
Date: Sun, 28 May 2017 00:32:26 -0400
Subject: [PATCH] * tests/test_driver.pl: Useful error if given an invalid test
 name.

---
 tests/test_driver.pl | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tests/test_driver.pl b/tests/test_driver.pl
index 1824b1dc..f7dbc8d1 100644
--- a/tests/test_driver.pl
+++ b/tests/test_driver.pl
@@ -609,6 +609,8 @@ sub run_all_tests
         $run_filename = "$testpath.$runext";
         $tmp_filename = "$testpath.$tmpfilesuffix";
 
+        -f $perl_testname or die "Invalid test: $testname\n\n";
+
         setup_for_test();
 
         $output = "........................................................ ";
-- 
2.47.3