op/groups test fails on Linux (groups in /bin)

(this is the same change as commit 7b7ef14c26e3283cb33eb794bdf774867119ade0, but as applied)

diff --git a/t/op/groups.t b/t/op/groups.t
index 078689b..47aabe3 100755 (executable)
--- a/t/op/groups.t
+++ b/t/op/groups.t
@@ -1,6 +1,9 @@
 #!./perl
 
-if (! -x ($groups = '/usr/ucb/groups') && ! -x ($groups = '/usr/bin/groups')) {
+if (! -x ($groups = '/usr/ucb/groups') &&
+    ! -x ($groups = '/usr/bin/groups') &&
+    ! -x ($groups = '/bin/groups')
+) {
     print "1..0\n";
     exit 0;
 }