From 79f5bdc31153d3aa1dd6900dd68eb98540be145e Mon Sep 17 00:00:00 2001
From: Geoff Brown <gbrown@mozilla.com>
Date: Fri, 31 Aug 2018 09:59:07 -0600
Subject: [PATCH] Bug 1481449 - Require at least one test argument for 'mach
 test'; r=ahal

---
 testing/mach_commands.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/testing/mach_commands.py b/testing/mach_commands.py
index f8d53ddfb25a..167468796e56 100644
--- a/testing/mach_commands.py
+++ b/testing/mach_commands.py
@@ -74,7 +74,7 @@ class TestConfig(object):
 def get_test_parser():
     from mozlog.commandline import add_logging_group
     parser = argparse.ArgumentParser()
-    parser.add_argument('what', default=None, nargs='*', help=TEST_HELP)
+    parser.add_argument('what', default=None, nargs='+', help=TEST_HELP)
     parser.add_argument('extra_args', default=None, nargs=argparse.REMAINDER,
                         help="Extra arguments to pass to the underlying test command(s). "
                              "If an underlying command doesn't recognize the argument, it "