Add ASSERT_FALSE macro for tests

Signed-off-by: Agathiyan Bragadeesh <agathiyan.bragadeesh2@arm.com>
diff --git a/tests/src/test_helpers/ssl_helpers.c b/tests/src/test_helpers/ssl_helpers.c
index e8bbc78..fd13451 100644
--- a/tests/src/test_helpers/ssl_helpers.c
+++ b/tests/src/test_helpers/ssl_helpers.c
@@ -1753,8 +1753,8 @@
             break;
 
         default:
-            TEST_ASSERT(
-                !"Version check not implemented for this protocol version");
+            ASSERT_FALSE(
+                "Version check not implemented for this protocol version");
     }
 
     return 1;