Make shtest verbose 2 diag. alpine build failure

Temporarily(?) make tests/shtest verbose to help diagnose Travis alpine
build failures.

diff --git a/tests/shtest b/tests/shtest
index a4fec6d6aff1526a6ec76bc618fb9c89fe34e4f8..d1c469344fef321cde24f69a6e00b5a14e1bd879 100755 (executable)
--- a/tests/shtest
+++ b/tests/shtest
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/sh -vx
 
 . "${0%/*}/setup" "$@"