Add missing config from test-ref-configs.pl

The sample configuration file config-no-entropy.h was not being tested.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>

tests/scripts/test-ref-configs.pl

@@ -61,6 +61,8 @@ my %configs = (
     'config-mini-tls1_1.h' => {
         'compat' => '-m tls1_1 -f \'^DES-CBC3-SHA$\|^TLS-RSA-WITH-3DES-EDE-CBC-SHA$\'',
     },
+    'config-no-entropy.h' => {
+    },
     'config-picocoin.h' => {
     },
     'config-suite-b.h' => {