Add tests for invalid paramters

Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
diff --git a/tests/suites/test_suite_shax.data b/tests/suites/test_suite_shax.data
index f443ecf..5769aa2 100644
--- a/tests/suites/test_suite_shax.data
+++ b/tests/suites/test_suite_shax.data
@@ -2410,3 +2410,7 @@
 SHA-3 Selftest
 depends_on:MBEDTLS_SELF_TEST:MBEDTLS_SHA3_C
 sha3_selftest:
+
+SHA-3 invalid param
+depends_on:MBEDTLS_SHA3_C
+sha3_invalid_param