tests

Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
diff --git a/tests/suites/test_suite_bignum.function b/tests/suites/test_suite_bignum.function
index 7f858e5..caa7e04 100644
--- a/tests/suites/test_suite_bignum.function
+++ b/tests/suites/test_suite_bignum.function
@@ -438,7 +438,7 @@
 
     TEST_ASSERT(mbedtls_mpi_lt_mpi_ct(&X, &Y, &ret) == input_err);
     if (input_err == 0) {
-        TEST_ASSERT(ret == input_uret);
+        TEST_EQUAL(ret, input_uret);
     }
 
 exit: