Test SRP authentication ciphersuites.

Reviewed-by: Matt Caswell <matt@openssl.org>
diff --git a/test/testssl b/test/testssl
index 44c8647..3a63e5d 100644
--- a/test/testssl
+++ b/test/testssl
@@ -215,6 +215,12 @@
 
   echo test tls1 with SRP via BIO pair
   $ssltest -bio_pair -tls1 -cipher SRP -srpuser test -srppass abc123
+
+  echo test tls1 with SRP auth
+  $ssltest -tls1 -cipher aSRP -srpuser test -srppass abc123
+
+  echo test tls1 with SRP auth via BIO pair
+  $ssltest -bio_pair -tls1 -cipher aSRP -srpuser test -srppass abc123
 fi
 
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