deprecate engine tests

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/12226)
diff --git a/test/afalgtest.c b/test/afalgtest.c
index 16e5dbd..01a2c8b 100644
--- a/test/afalgtest.c
+++ b/test/afalgtest.c
@@ -7,6 +7,9 @@
  * https://www.openssl.org/source/license.html
  */
 
+/* We need to use some engine deprecated APIs */
+#define OPENSSL_SUPPRESS_DEPRECATED
+
 #include <stdio.h>
 #include <openssl/opensslconf.h>